"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"

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

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

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

"Sandhill Cranes (Grus canadensis), Beaver Ponds Trail, Yellowstone National Park, Wyoming, United States, North America"

"Bathing site of Boiling River, Mammoth Hot Springs, Yellowstone National Park, Wyoming, United States, North America"

"Tourists watching the eruption of Riverside Geyser, 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"

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

"Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, United States, 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"

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

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

"Navajo Dome plateau in the morning light, Capitol Reef National Park, Utah, United States, North America"

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

"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, blue water, water vapor, Sappire Pool with a sign, Biscuit 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"

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