yell2248 Lower Falls of the Yellowstone river in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2248.html yell2245 Chromatic Pool in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2245.html yell0517 Great Fountain geyser eruption. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0517.html yell0506 Trees shadowed in thermal steam, Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0506.html yell21252 Colorful wall of the Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21252.html yell1838 Grizzly bear and thermal steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1838.html yell0505 Green and red algaes in Norris geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0505.html yell0513 Terraces in Great prismatic springs, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0513.html yell0536 Fresh snow on foothill ridges. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0536.html yell21270 West Thumb geyser basin and Yellowstone lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21270.html yell1836 Two buffaloes head to head. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1836.html yell0510 Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0510.html yell0518 Mud cauldron at fountain paint pot. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0518.html yell6025 Mist raising from falls of the Yellowstone river. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6025.html yell1839 Elk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1839.html yell0515 Thermal steam and frosted trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0515.html yell2241 West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2241.html yell1835 Group of buffaloes. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1835.html yell2246 Fumeroles and forest in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2246.html yell21250 River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21250.html yell0532 Lilies on a small lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0532.html yell0521 Pools, West Thumb geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0521.html yell2247 Yellowstone Lake with frozen shores, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2247.html yell0538 Great Fountain geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0538.html yell6021 Steam column from Old Faithful Geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6021.html yell0531 Grasses and stream. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0531.html yell21263 Minerva travertine terraces, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21263.html yell8825 Frosted trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8825.html yell0511 Geyser cone in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0511.html yell8824 Frost along the Firehole River. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8824.html yell21267 Great prismatic springs, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21267.html yell2249 Yellowstone River, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2249.html yell0503 Norris geyser basin at sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0503.html yell6023 Wall and River in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6023.html yell2243 West Thumb Geyser Basin covered by snow at dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2243.html yell0507 Steam out of Beauty pool in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0507.html yell8823 Densely clustered lodgepine tree trunks, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8823.html yell21249 Canyon and Lower Falls of the Yellowstone river. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21249.html yell0533 Yellowstone River and meadow in fall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0533.html yell0535 Yellowstone River, meadow, and bisons in Heyden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0535.html yell2242 Castle Geyser in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2242.html yell0528 Buttresses and ridges, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0528.html yell6022 Rock wall in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6022.html yell21248 Grand Canyon of Yellowstone and Lower Falls with snow dusting. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21248.html yell0508 Steam clouds drifting from Old Faithfull geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0508.html yell0537 Female Elk on travertine terraces at Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0537.html yell8822 Dense Lodgepole pine forest, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8822.html yell1844 Two bisons. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1844.html yell0523 Ice on Yellowstone lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0523.html yell0520 Minerva travertine terraces at Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0520.html yell0527 Trees and colorful mineral deposits, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0527.html yell1837 Grizzly bear. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1837.html yell0516 Steam and hill, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0516.html yell0509 Tree skeletons in Black Sand basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0509.html yell0526 River gorge, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0526.html yell0529 Canyon slopes, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0529.html yell6024 Falls of the Yellowstone river in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6024.html yell0534 Bare trees on hill. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0534.html yell21265 Dead trees and turquoise pond in Norris Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21265.html yell0514 Great prismatic springs, thermal steam, and hill, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0514.html yell21251 River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21251.html yell0504 Thermal activity at Norris geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0504.html yell2244 Yellowstone River and meadow in fall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2244.html yell0530 Ice on a small lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0530.html