"Morning Glory Pool, Yellowstone National Park, Wyoming, United States, North America"

"Lone Star Geyser, Yellowstone National Park, Wyoming, United States, North America"

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

"Lone Star Geyser, Yellowstone National Park, Wyoming, United States, North America"

"Old Faithful Inn, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States, North America"

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

"Sunrise at Jenny Lake, Grand Teton National Park, Wyoming, United States, North America"

"View of Grand Teton National Park from Oxbow Bend, Wyoming, United States, North America"

"Splendid Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States, North America"

"Palette Spring sinter terrace of the Lower Terrace, Mammoth Hot Springs, 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"

"Grand Canyon, Grand Canyon National Park, Arizona, United States, North America"

"Geyser, hot spring, steam, Clepsydra Geyser, Lower Geyser Basin, Yellowstone National Park, Wyoming, USA, United States of America, 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, water fountain, eruption, geyser, Sawmill Geyser, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Grand Canyon after a thunderstorm, Grand Canyon National Park, Arizona, 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"

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

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

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

"Bright Angel Canyon at dawn, South Rim, Grand Canyon National Park, Arizona, United States, North America"

"Sinter terraces at the Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA"

"Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States, North America"