"Geyser, hot spring, steam, Clepsydra Geyser, Lower Geyser Basin, Yellowstone National Park, Wyoming, USA, United States of America, North America"

"Geomorphology, dead trees, limestone sinter terraces, Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, United States of America, North America"

"Geomorphology, limestone sinter terraces, dead trees, Canary Spring, Main Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, United States of America, North America"

"Geomorphology, white and yellow limestone sinter terraces, Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, United States of America, North America"

"Hot spring, limestone sinter, Doublet Pool, Geyser Hill, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring, clear water, Perforated Pool, West Thumb, Yellowstone Lake in the background, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring, boiling water, steam, Crested Pool, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring, eruption, geyser, water fountain, steam against a blue sky, Old Faithful, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring with a cone geyser, steam column, water vapor, Castle Geyser, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Entrance, wooden sign in the fog, National Park Service, west entrance, Yellowstone National Park, West Yellowstone, Montana, Wyoming, Western United States, United States of America, North America"

"Hot spring, clear water, Abyss Pool, West Thumb, in front of Yellowstone Lake, Yellowstone National Park, Wyoming, USA"

"Sinter crust of? Çï? Çïthe Grand Prismatic Spring, Bison on the left, Yellowstone National Park, Wyoming, United States, North America"

"American Elk or Wapiti (Cervus canadensis), adult male, Yellowstone National Park, Wyoming, United States, North America"

"Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming, United States, North America"

"Golden-mantled Ground Squirrel (Spermophilus lateralis), Yellowstone National Park, Wyoming, United States of America, USA"

"American bisons (Bison bison) crossing the road leading to Old Faithful, Yellowstone National Park, Wyoming, USA"

"American Bison (Bison bison), Hot Springs Park, Thermopolis, Wyoming, USA"

"Bison herd (Bison bison), Elk Ranch Flats, Grand Teton National Park, Wyoming, USA"

"American bison (Bison bison), calf, Mormon Row, Grand Teton National Park, Wyoming, USA"

"Porcelain Springs, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA"

"Mountain Bluebird (Sialia currucoides), Old Faithful, Yellowstone National Park, Wyoming, USA"

"Panoramic view, bison herd, American Bison or American Buffalo (Bison bison), Grand Teton Parkway, Wyoming, USA"

"Grand Canyon of the Yellowstone River, view from the Brink of Lower Falls, downriver, North Rim, Yellowstone National Park, Wyoming, USA"

"Herd of American Bison (Bison bison) at Yellowstone River, Yellowstone National Park, Wyoming, USA, United States of America, North America"