"Limestone terraces of Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, America"

"Limestone terraces of Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, America"

"Limestone terraces of Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, America"

"Sign at the Grand Canyon of the Yellowstone, Wyoming, USA"

"Sign at the Grand Canyon of the Yellowstone, Wyoming, USA"

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

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

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

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

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

"Caravan beside the entrance sign, Island in the Sky District, Canyonlands National Park, Utah, United States of America, USA"

"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"

"Black Growler Steam Vent, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA"

"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"

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

"Herd of American Bison (Bison bison) at Yellowstone River, 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"

Vacation in Yellowstone 2004 Linda Braucht (20th C. American) Computer graphics

"Yellowstone National Park, sign at the Northeast Entrance, Wyoming, USA, America"