Tufa spires, Trona Pinnacles, sunset. California, USA http://www.terragalleria.com/california/picture.usca9764.html Turret Arch and moon, dawn. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0676.html Spider Rock and skies. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8896.html Spires. Colorado National Monument, Colorado, USA http://www.terragalleria.com/america/colorado/colorado-national-monument/picture.usco9098.html Wildflowers and sandstone towers near Elephant Hill, the Needles, late afternoon. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0696.html Bivy at the base of Dent du Geant, Mont-Blanc Range, Alps, France. http://www.terragalleria.com/mountain/mountain-image.alps3188.html The Pulpit and bare trees, Zion Canyon. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion0775.html Scenic road below spires, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50810.html Fossilized volcanic steam vents. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20529.html Rock near Toll Memorial at dusk. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo20686.html Three sisters and moon, dusk. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz8992.html Limestone towers and pine trees near Lexington Arch. Great Basin National Park, Nevada, USA. http://www.terragalleria.com/parks/np-image.grba5412.html Sand Pipes (rock column), sunset, Kodachrome Basin State Park. Utah, USA http://www.terragalleria.com/america/utah/cedar-mesa/picture.usut9027.html Details of the grey limestone pinnacles of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5005.html Bear Gulch Dam and reservoir. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.usca9443.html Alpinists on a pinacle of Aiguille du Midi after climbing the South Face. Alps, France http://www.terragalleria.com/mountain/mountain-image.alps3514.html South park avenue, an open canyon flanked by sandstone skycrapers. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0647.html Outcrop of volcanic tuff, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50813.html Elephant Valley, sunset. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20036.html Tree in autumn foliage and the Pulpit, temple of Sinawava. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20245.html Tufa towers, Trona Pinnacles, late afternoon. California, USA http://www.terragalleria.com/california/picture.usca9766.html Spires. Colorado National Monument, Colorado, USA http://www.terragalleria.com/america/colorado/colorado-national-monument/picture.usco9099.html The Pinnacles. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla1093.html Trees and grey limestone pillars of the Stone Forest, eroded into fanciful forms. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5002.html Spider Rock and skies. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8897.html Chimney Rock, the largest sand pipe, sunset, Kodachrome Basin State Park. Utah, USA http://www.terragalleria.com/america/utah/cedar-mesa/picture.usut9031.html Yei bi Chei and Totem Pole, afternoon. Monument Valley Tribal Park, Navajo Nation, Arizona and Utah, USA http://www.terragalleria.com/america/arizona/monument-valley/picture.usaz8994.html On the very narrow top of Dent du Geant, Mont-Blanc Range, Alps, France. http://www.terragalleria.com/mountain/mountain-image.alps3192.html Sandstone pillars in Klondike Bluffs seen as silhouettes at dusk. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0669.html Roostercomb Rock, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50811.html Mesa Arch, pinnacles, La Sal Mountains, early morning, Island in the sky. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0684.html Vertical columns of volcanic origin. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20531.html Opening in a limestone formation of the Stone Forest. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5009.html Trona Pinnacles, dusk. California, USA http://www.terragalleria.com/california/picture.usca9767.html The Pulpit, Zion Canyon. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion0763.html Spider Rock. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8895.html Sandstone fins at Fiery Furnace, sunset. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0665.html Spire of volcanic tuff, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50806.html Elephant Canyon at sunset, the Needles. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20035.html Grey limestone pillars of the Stone Forest. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5022.html Ancient fossilized vents. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla1094.html Trona Pinnacles and Mountains, late afternoon. California, USA http://www.terragalleria.com/california/picture.usca9765.html Spider Rock. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8892.html The Pulpit, temple of Sinawava, late morning. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5431.html Volcanic cliffs, Leslie Gulch BLM National Backcountry Byway. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50816.html Wildflowers, sandstone pillars, Klondike Bluffs. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0651.html Crack and rock needles near Elephant Hill, mid-day, Needles District. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20043.html Maze of grey limestone pinnacles and peaks of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5004.html Pinnacles rising from Sand Creek Canyon. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla20530.html Spider Rock. Canyon de Chelly National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/canyon-chelly/picture.usaz8893.html Trona Pinnacles rising from the bed of the Searles Dry Lake basin. California, USA http://www.terragalleria.com/california/picture.usca9763.html Leslie Gulch landscape. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50807.html Wildflowers and rock pillars, Klondike Bluffs. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch20032.html Sandstone swirls and Needles near Elephant Hill, sunset. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0689.html Grey limestone pillars of the Stone Forest. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5021.html Needle-like formations of rock. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla2125.html Volcanic rock formations, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50817.html Sandstone towers, Chesler Park. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20039.html Sandstone pillars in Klondike Bluffs, dusk. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0670.html Details of maze of grey limestone pinnacles of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5003.html Pumice and ash pipes cemented by volcanic gasses. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla10114.html Roostercomb Rock and cloud Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50809.html Rock swirls and spires at sunset, Needles District. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20037.html Fiery Furnace rock formations at sunset. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch6054.html Among the limestone peaks of the Stone Forest. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5010.html Owyhee Reservoir, Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50814.html Sandstone swirls and Needles near Elephant Hill at sunrise, the Needles. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20038.html Garden of Eden, a cluster of pinnacles and monoliths. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0644.html Details of grey limestone pinnacles of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5006.html Lake Owyhee at Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50815.html Chesler Park. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20040.html Sandstone fins at Fiery Furnace, sunset. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0664.html Trees and grey limestone pillars of the Stone Forest, split by rainwater. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5001.html Shadows across spires, Leslie Gulch BLM Area of Critical Environmental Concern. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50808.html Spires at Big Spring Canyon, Needles District. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany20041.html Wildflowers, sandstone pillars, Klondike Bluffs. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch0650.html Details of grey limestone pinnacles of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5024.html Road in Leslie Gulch. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50805.html Sandstone towers, Chesler Park. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0695.html Balanced formations in Garden of Eden. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch6052.html Details of grey limestone pinnacles of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5007.html Leslie Gulch tuffs. Oregon, USA http://www.terragalleria.com/america/oregon/lake-owyhee/picture.usor50812.html Last light on the Needles. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0691.html Maze of grey limestone pinnacles and peaks of the Stone Forst. Shilin, Yunnan, China http://www.terragalleria.com/asia/china/shilin/picture.chin5023.html Sandstone swirls near Elephant Hill, the Needles, late afternoon. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0688.html Needles near Elephant Hill, sunrise. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0693.html Sandstone swirls and Needles with last light, the Needles. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany5855.html Sandstone striations and Needles near Elephant Hill, sunrise. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0692.html Sandstone towers in sandy flat basin, Chesler Park. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0697.html Circular sandstone striations near Elephant Hill, the Needles, late afternoon. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0687.html Wildflowers and towers, Big Spring Canyon overlook, sunrise, the Needles. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany0686.html