"Castle Geyer, Yellowstone National Park, Wyoming, USA"

"Moose Falls, Yellowstone National Park, Wyoming, USA"

"Castle Geyer, Yellowstone National Park, Wyoming, USA"

"Castle Geyser, Yellowstone National Park, Wyoming, USA"

"Grand Canyon of the Yellowstone Canyon, Yellowstone National Park, Wyoming, USA"

"Morning Glory Pool, Yellowstone National Park, Wyoming, USA"

"Sign, Yellowstone National Park, park entrance, Wyoming, USA"

"Bottleneck in Yellowstone National Park, Wyoming, USA, America"

"Evening at Lewis Lake, Yellowstone National Park, Wyoming, USA"

"Turquoise Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA"

"American bisons (Bison bison), Grand Teton National Park, Wyoming, USA"

"Taggart Lake with a photographer, Grand Teton National Park, Wyoming, USA"

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

Grand Prismatic Spring, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA, Nordamerika

"Bison crossing the sinter crust of Grand Prismatic Spring, 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"

"Colloidal Pool, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA"

Bison (Bison bison), Yellowstone National Park, Wyoming, USA, North America

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

"Travertine terraces, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA"

"Tortoise Shell Spring, Yellowstone National Park, Wyoming, United States, North America"

"Trail Springs, Main Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA"

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

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

"Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA"