usaz33457 Desert in bloom with britlebush, saguaro cactus, and mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33457.html usaz33463 Organ pipe cacti on slope in spring. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33463.html usaz33517 Multi-armed saguaro cactus, sunset, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33517.html sagu32850 Tall saguaro cactus on the slopes of Tucson Mountains, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32850.html sagu32816 Cactus and carpet of yellow wildflowers, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32816.html sagu32851 Saguaro cactus at sunset, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32851.html sagu32814 Grassy area near Mica View, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32814.html usaz33453 Cactus and annual flowers. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33453.html sagu32810 Lupine, saguaro cactus, and occatillo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32810.html sagu32811 Sonoran desert in bloom, Tucson Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32811.html sagu32855 Twin cactus at dawn near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32855.html pefo20120 Badlands at sunset, Painted Desert. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20120.html pefo20127 Petrified log section in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20127.html pefo20126 Petrified logs in Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20126.html pefo20122 Blue Mesa basin at dusk. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20122.html pefo20130 Colorful fossilized wood section from Triassic Era and badlands. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20130.html pefo20131 Petrified log and prehistoric-looking badlands. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20131.html usaz20200 View from North Window at dusk. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz20200.html sagu32809 Cactus, royal lupine, and brittlebush. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32809.html usaz33454 Cactus, annual flowers, and mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33454.html sagu32846 Saguaro cacti on hillside, Hugh Norris Trail, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32846.html sagu32847 Slope with saguaro cactus forest, Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32847.html sagu32843 Hiker and saguaro cactus, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32843.html sagu32838 Lush desert with Cactus, mexican poppies, and palo verde near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32838.html pefo20121 Painted desert seen from Chinde Point, stormy sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20121.html pefo20117 Ridges over badlands of Painted Desert, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20117.html sagu21018 Saguaro cactus silhouettes at sunset. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21018.html sagu1229 saguaro cacti forest on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1229.html sagu32821 Saguaro cactus and desert in bloom near Valley View overlook. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32821.html sagu32826 Cholla cactus, phacelia, and brittlebush. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32826.html grca0698 Temples at Dawn from Yvapai Point. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0698.html sagu1228 Moonrise behind saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1228.html pefo20128 Fossilized log in Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20128.html usaz20203 Roots, red earth, and Mittens. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz20203.html grca0699 Temples at Dawn from Yvapai Point. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0699.html grca5508 Cliffs and Angel's Arch near Cape Royal, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5508.html usaz33452 Saguaro cacti. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33452.html sagu32842 Hillside in spring with desert annual flowers, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32842.html sagu32844 Tall saguaro cactus (scientific name: Carnegiea gigantea), Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32844.html grca8500 Moonrise, Point Imperial. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8500.html grca0012 View from Yvapai Point, sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0012.html jotr32773 Carpet of Arizona Lupine, Desert Dandelion, and Brittlebush near the Southern Entrance. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32773.html usaz33462 Cactus, field of brittlebush in bloom, and Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33462.html usaz33464 Slope with cactus and brittlebush, Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33464.html sagu32835 Mature Saguaro cactus (Carnegiea gigantea) on a hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32835.html sagu32858 Brittlebush and backlit cactus at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32858.html sagu32860 Tall cactus and Tucson Mountains, early morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32860.html sagu32863 Rocks, flowers and cactus with Panther Peak and Safford Peak in the background. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32863.html sagu32865 Rocks, flowers and cactus, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32865.html sagu32837 Cactus lupine, and mexican poppies with Panther Peak in the background, afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32837.html sagu32813 Wildflowers and cactus, Mica View, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32813.html sagu32834 Arm of a saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32834.html pefo20125 Triassic Era petrified logs and Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20125.html grca5506 Wotan's Throne seen from Cape Royal, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5506.html grca8485 Canyon walls seen from Tapeats Creek, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8485.html grca5510 View from Vista Encantada, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5510.html grca8484 Cactus and canyon walls, Tapeats Creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8484.html sagu32864 Rocks, flowers and cactus near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32864.html grca5493 Cracked rocks and Colorado River at Toroweap, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5493.html grca0706 Watchtower, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0706.html pefo5569 Badlands of Chinle Formation seen from Whipple Point, stormy sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5569.html grca0703 Ridges from Bright Angel Point, sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0703.html grca0710 Granite Gorge, dusk. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0710.html usaz33459 Cactus, field of brittlebush in bloom, and Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33459.html pefo0719 Multi-hued badlands of Blue Mesa, sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo0719.html grca5512 View from Point Imperial, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5512.html grca0700 Desert View, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0700.html grca5513 View from Point Imperial, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5513.html grca5521 View from Point Sublime, dusk. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5521.html grca0704 Colorado River from South Rim. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0704.html grca8476 Red wall, Thunder Spring and Tapeats Creek, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8476.html grca8468 Flowers and wall in Surprise Valley near Tapeats Creek, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8468.html grca5519 Towers seen from Point Sublime, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5519.html grca5523 View from Point Imperial, sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5523.html grca8469 Flowers and mesas in Surprise Valley near Tapeats Creek, dusk. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8469.html pefo0724 Erosion patterns near Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo0724.html sagu32825 Brittlebush, cactus, and hills, Valley View overlook, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32825.html sagu32839 Cactus, mexican poppies, and palo verde near Ez-Kim-In-Zin, afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32839.html pefo5603 Agate House, reconstitution of native house made of petrified wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5603.html usaz8870 Organ Pipe cactus silhouetted at sunset. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8870.html sagu32804 Circular Hohokam petroglyphs on Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32804.html sagu1233 Saguaro cactus and moon at dawn. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1233.html grca5499 Man standing at edge of Grand Canyon at Toroweap, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5499.html sagu32824 Bark of old saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32824.html grca5522 Cliffs seen from Point Imperial at sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5522.html grca5504 Mount Hayden from Point Imperial, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5504.html sagu1222 Backlit Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1222.html grca0701 View from Hopi point, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0701.html sagu1237 Saguaro cactus blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1237.html usaz8877 Saguaro cactus and moon. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8877.html sagu32822 Brittlebush and cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32822.html pefo0720 Painted Desert, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo0720.html sagu1221 Saguaro cacti forest on hillside, Tucson Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1221.html grca0709 Granite Gorge, afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0709.html pefo5562 Petrified wood cross-secton close-up. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5562.html pefo5594 Colorful slices of petrified wood and badlands in Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5594.html usaz33442 Chain fruit cholla cactus and brittlebush in bloom. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33442.html pefo5578 Petrifieds logs and Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5578.html usaz8862 Cacti, Diablo Mountains, dusk. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8862.html grca8467 Sage flowers, wall, and cloud, Surprise Valley, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8467.html grca8501 View from Bright Angel Point. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8501.html grca8502 Bright Angel Point, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8502.html grca5507 Distant cliffs seen from Cape Royal, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5507.html grca5498 Hiker looking down into Grand Canyon at Toroweap, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5498.html usaz33466 Mexican Poppies and Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33466.html pefo20118 Mud, sandstone and volcanic ash color painted desert, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20118.html pefo5585 Pedestal petrified log in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5585.html usaz8869 Cactus and Sonoyta Valley, dusk. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8869.html grca5864 Havasu creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5864.html sagu1238 Saguaro cactus flowers and arm. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1238.html sagu32815 Cactus and carpet of yellow wildflowers, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32815.html grca5505 Wotan's Throne seen from Cape Royal, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5505.html pefo5604 Agate House built with fossilized wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5604.html sagu32836 Multi-armed sagurao cactus near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32836.html sagu32854 Dense saguaro cactus forest at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32854.html grca5503 Mount Hayden from Point Imperial, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5503.html pefo5595 Close up of small pieces of petrified wood and clay pattersn. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5595.html usaz33472 Brittlebush, cactus, storm clouds, and Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33472.html pefo5572 Multi-hued badlands of Painted desert seen from Chinde Point. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5572.html grca5496 Cliff and Colorado River at Toroweap, sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5496.html sagu1232 Saguaro cactus and Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1232.html pefo5567 Painted desert seen from Lacey Point, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5567.html grca0705 Painted Desert at sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0705.html grca8482 Confluence of Tapeats Creek and Thunder River. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8482.html sagu1223 Backlit Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1223.html pefo5579 Dendritic drainage patterns, Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5579.html grca5511 View from Roosevelt Point, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5511.html pefo5574 Rock art on Newspaper Rock. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5574.html pefo5602 Last light, Long Logs area, sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5602.html pefo5566 Painted desert seen from Chinde Point, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5566.html sagu1231 Palo verde and saguaro cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1231.html usaz33451 Base of organ pipe cactus and yellow brittlebush flowers. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33451.html usaz33443 Chain fruit cholla cacti, organ pipe cacti, and brittlebush in bloom on hill. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33443.html usaz33449 Saguaro cacti. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33449.html usaz33521 Old saguaro cacti, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33521.html usaz33510 Cholla cacti and Superstition Mountains, Lost Dutchman State Park, afternoon. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33510.html sagu32841 Cactus on hillside in spring, Hugh Norris Trail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32841.html sagu32861 Brittlebush and cactus near Ez-Kim-In-Zin, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32861.html pefo20129 Long petrified log, and Chinle Formation rocks, Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20129.html grca5509 Cliffs near Cape Royal, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5509.html pefo5583 Colorful fossilized logs in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5583.html grca8465 Barrel cacti close-up. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8465.html sagu1225 Giant Saguaro cactus (scientific name: Carnegiea gigantea), mid-day. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1225.html pefo5565 Red hills of Painted desert seen from Tawa Point. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5565.html sagu2193 Saguaro cacti forest on hillside, late afternoon, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu2193.html grca8460 Bridger Knoll and burned slope from Monument Point, morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8460.html usaz8863 Organ Pipe Cactus (Stenocereus thurberi) and Diablo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8863.html pefo0722 Erosion formations in Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo0722.html pefo5599 Multi-hued slices of petrified wood and mudstone hills, Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5599.html sagu32849 Tall cactus on the slopes of Tucson Mountains, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32849.html pefo20119 Painted Desert, early morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20119.html sagu1220 Saguaro cacti forest on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1220.html usaz8873 Backlit cactus. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8873.html usaz33520 Sun and Saguaro cactus, sunrise, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33520.html usaz33474 Barrel cactus, Ajo Mountains, and dark clouds. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33474.html usaz33478 Saguaro cactus silhouetted at sunset. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33478.html usaz33519 Saguaro cactus and Superstition Mountains silhoueted at sunrise, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33519.html sagu1242 Saguaro cactus flower and bees. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1242.html sagu1241 Arms of blooming Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1241.html usaz33440 Organ pipe cactus and brittlebush on hillside, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33440.html sagu32830 Skin of old saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32830.html usaz20199 View from Ford point, late afternoon. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz20199.html usaz20192 Dunes and bushes. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz20192.html grca8463 Agave flower skeletons in Surprise Valley, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8463.html usaz8878 Cacti, Diablo Mountains, dusk. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8878.html sagu1230 Saguaro cacti forest and occatillo on hillside, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1230.html grca5500 Visitor sitting on edge of Grand Canyon, Toroweap. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca5500.html usaz8875 Detail of Organ Pipe Cactus. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8875.html pefo5568 Painted desert seen from Lacey Point, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5568.html pefo5571 Painted desert seen from Chinde Point, stormy sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5571.html usaz33509 Tall cacti and Superstition Mountains, Lost Dutchman State Park, afternoon. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33509.html pefo5588 Colorful petrifieds logs in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5588.html sagu1244 Cactus detail, Arizona Sonora Desert Museum. Tucson, Arizona, USA http://www.terragalleria.com/america/arizona/tucson/picture.sagu1244.html pefo5600 Red slices of petrified wood and blue clay, Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5600.html grca8486 Tapeats Creek, dusk. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8486.html jotr32768 Arizona Lupine, Desert Dandelion, Chia, and Brittlebush, near the Southern Entrance. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32768.html grca8464 Cacti in Surprise Valley, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8464.html pefo5584 Colorful petrifieds logs in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5584.html pefo5590 Long Logs area, morning. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5590.html usaz8872 Ocotillo and cactus on a slope. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8872.html grca8466 Red wall seen from Surprise Valley, sunset. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8466.html pefo5591 Multi-hued large petrified logs and badlands in Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5591.html sagu32805 Hohokam petroglyphs on Signal Hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32805.html pefo5598 Colorful slices of petrified wood and badlands in Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5598.html sagu1226 Cholla cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1226.html usaz8907 White House Ancestral Pueblan ruins and wall with desert varnish and corner of sky. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8907.html pefo5592 Colorful large fossilized logs and badlands of Chinle Formation, Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5592.html grca8470 Tapeats Creek, dusk. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8470.html pefo5601 Fossilized wood on soft layer of earth made of mud, sand, and ash. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5601.html pefo5563 Painted desert seen from Tiponi Point, dawn. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5563.html pefo5596 Close up of small pieces of petrified wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5596.html sagu1227 Saguaro cactus and moon, dawn. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1227.html pefo5564 Red hills of Painted desert seen from Tawa Point. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5564.html usaz8915 Desert Bighorn sheep, Arizona Sonora Desert Museum. Tucson, Arizona, USA http://www.terragalleria.com/america/arizona/tucson/picture.usaz8915.html usaz33476 Group of saguaro cactus in spring, Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33476.html usaz33446 Cactus and brittlebush in the spring under cloudy skies, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33446.html usaz33447 Organ pipe cactus and brittlebush (Encelia farinosa) in bloom. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33447.html sagu32848 Hikers descending Hugh Norris Trail amongst saguaro cactus, late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32848.html sagu32831 Brittlebush and ocotilo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32831.html sagu32832 Brittlebush and ocotilo. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32832.html grca20091 Barrel cactus and Redwall from below. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20091.html pefo20123 Blue Mesa basin at sunset. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20123.html usaz20197 Clay pattern on floor and buttes in winter. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz20197.html usaz20193 Canyon at dusk. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz20193.html sagu32853 Saguaro cactus at night with stary sky, Tucson Mountains. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32853.html usaz8868 Cactus and Sonoyta Valley, dusk. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8868.html sagu1250 Sotol, Arizona Sonora Desert Museum. Tucson, Arizona, USA http://www.terragalleria.com/america/arizona/tucson/picture.sagu1250.html pefo5587 Blue Mesa badlands and pedestal fossilized log, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5587.html grca8472 Barrel cactus and Thunder Spring, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8472.html grca8499 Layers of Supai from edge of Esplanade. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8499.html pefo5573 Painted desert seen from Chinde Point, dusk. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5573.html jotr32772 Desert Dandelion and Arizona Lupine close-up. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32772.html grca8518 Backpacker on trail above Tapeats Creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8518.html grca8461 Esplanade, mid-day. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8461.html pefo5582 Eroded badlands of Chinle Formationon, Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5582.html pefo5586 Pedestal petrified log in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5586.html grca0718 Havasu Indian on horse in Havasu Canyon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0718.html grca0717 Havasu Indians commute by helicopter to roadless village. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca0717.html sagu1234 Arms of Saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1234.html jotr32769 Close-up of flower carpet of Arizona Lupine, Desert Dandelion, Chia, and Brittlebush, near the Southern Entrance. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32769.html pefo0726 Colorful fossilized log close-up. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo0726.html usaz33469 Close-up of Mexican Poppies (Eschscholzia californica subsp. mexicana) and Cactus. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33469.html jotr32770 Close-up of wildflower carpet of Arizona Lupine, Desert Dandelion, Chia, and Brittlebush, near the Southern Entrance. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32770.html usaz8879 Cactus on hillside. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8879.html grca8514 Backpackers in Surprise Valley, Thunder River and Deer Creek trail. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8514.html sagu32820 Saguaro cactus silhouetted on hill at sunrise near Valley View overlook. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32820.html pefo5581 Badlands and Dendritic drainage patterns, Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5581.html usaz33475 Multi-armed saguaro cactus in spring, Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33475.html usaz33458 Group of Saguaro cactus amongst flowering brittlebush. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33458.html sagu32840 Mexican poppies and cactus squeleton. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32840.html sagu32833 Pencil cholla cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32833.html grca20112 Canyon walls from Bright Angel Point, sunrise. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20112.html sagu32803 Hohokam petroglyphs. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32803.html sagu1248 Saguaro cactus trunk close-up. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1248.html usaz33523 Old saguaro cacti, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33523.html jotr32771 Arizona Lupine, Desert Dandelion, with Brittlebush and Cottonwood Mountains. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32771.html sagu1249 Saguaro cactus trunk detail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1249.html pefo5576 Petrified logs and Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5576.html pefo2214 Bentonite and volcanic ash badlands in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo2214.html usaz33471 Saguaro cactus, approaching storm. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33471.html pefo5577 Fossilized logs and Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5577.html usaz8865 Saguaro Cactus on hillside. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8865.html sagu1245 Occatillo detail. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu1245.html usaz33522 Cactus Wren nesting in a cavity of a saguaro cactus, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33522.html sagu32845 Hiking down Hugh Norris Trail amongst saguaro cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32845.html usaz20198 Grasses and sand dunes. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz20198.html pefo5593 Triassic Era large petrified logs and badlands, Long Logs area. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5593.html grca8513 Backpackers on Esplanade, Thunder River and Deer Creek trail. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8513.html pefo5589 Pedestal petrified log in Blue Mesa, afternoon. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5589.html usaz8880 Ocotillo and cactus on a slope. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz8880.html grca8515 Backpacker on switchbacks above Tapeats Creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8515.html grca8516 Solo Backpacker above Thunder River. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8516.html pefo5580 Dendritic drainage patterns, Blue Mesa, mid-day. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5580.html usaz33450 Base of organ pipe cactus and yellow brittlebush flowers. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33450.html usaz33477 Brittlebush (Encelia farinosa) flowers and organ pipe cactus. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33477.html sagu32856 Brittlebush and cactus at sunrise near Ez-Kim-In-Zin. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32856.html sagu32862 Brittlebush and Saguaro cactus near Ez-Kim-In-Zin, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32862.html grca20085 Agave flower skeletons and mesas in Surprise Valley. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20085.html pefo20124 Colorful bentonite badlands, Blue Mesa. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20124.html usaz33441 Verdant desert valley bottom with cactus, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33441.html usaz33445 Saguaro cacti and brittlebush in bloom, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33445.html usaz33465 Hillside with cactus and brittlebush in bloom, Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33465.html usaz33456 Britlebush (Encelia farinosa) in bloom, saguaro cactus, and mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33456.html usaz33455 Britlebush in bloom, saguaro cactus, and mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33455.html usaz33470 Hillside wih cactus and brittlebush in spring, Ajo Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33470.html usaz33518 Saguaro cactus silhoueted at sunset, Lost Dutchman State Park. Arizona, USA http://www.terragalleria.com/america/arizona/phoenix/picture.usaz33518.html grca20099 Entrance of Deer Creek Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20099.html grca20101 Havasu Canyon, afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20101.html grca20108 View from Point Sublime, late afternoon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20108.html grca20096 Deer Creek Falls. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20096.html grca20086 Barrel cacti and Thunder Spring, early morning. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20086.html sagu21017 Saguaro cactus (Cereus giganteus), backlit with a rim of light. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21017.html sagu21015 Saguaro cactus forest on hillside, morning, West Unit. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21015.html sagu21014 Saguaro cacti (scientific name: Carnegiea gigantea), late afternoon. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21014.html sagu21012 Palo Verde and saguaro cactus on hill. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21012.html sagu21016 Ocatillo and saguaro cactus in valley. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21016.html sagu21013 Cactus forest on hillside, Gates pass, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21013.html sagu21011 Ocatillo and Saguaro cactus on hillside. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu21011.html usaz20165 Cactus and Puerto Blanco Mountains. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz20165.html usaz20166 Ocotillo and cactus on a slope. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz20166.html usaz20167 Organ Pipe cactus and Ajo Range, late afternoon. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz20167.html usaz20168 Organ Pipe Cactus and Saguaro. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz20168.html