"Bison (Bison bison), Yellowstone National Park, Wyoming, United States, North America"

"Two Bisons (Bison bison), Yellowstone National Park, Wyoming, United States, North America"

"Pond at the Beaver Ponds Trail, Yellowstone National Park, Wyoming, United States, North America"

"Bison (Bison bison) in Nez Perce Creek, Yellowstone National Park, Wyoming, United States, North America"

"Grizzly (Ursus arctos horribilis), female with two cubs, Yellowstone National Park, Wyoming, United States, North America"

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

"Grizzly (Ursus arctos horribilis), female with two cubs, Yellowstone National Park, Wyoming, United States, North America"

"Sinter terraces of the Lower Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, United States, North America"

"Bison crossing the sinter crust of Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States, North America"

"Steam rises above the hot springs, Firehole Lake Drive, Yellowstone National Park, Wyoming, United States, North America"

"Bison crossing the sinter crust of Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States, North America"

"Sinter terraces of the Lower Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, United States, North America"

Coyote (Canis latrans), Geyser behind, Yellowstone National Park, Wyoming, USA, North America

"Colourful hot spring, Chromatic Spring, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring with green water, Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, Western United States, United States of America, North America"

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

"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"

"Limestone sinter terraces, hot springs, dead trees, Terrace Mountain at Mammoth Hot Springs, Yellowstone National Park, Wyoming, United States, 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"

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

"Minerva Terrace, Lower Terraces, limestone sinter terraces, hot springs, Terrace Mountain at Mammoth Hot Springs, Yellowstone National Park, Wyoming, United States, North America"

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

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

"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"

"Uncertain Geyser, Yellowstone National Park, Wyoming, United States, North America"