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Bull elk in Banff National Park in Autumn.
Image of Steamy pools of acidic waters in Norris Basin of Yellowstone
Grand Prismatic Spring at Midway Geyser Basin of Yellowstone National Park in Teton County, Wyoming
Fly fishing for trout in Wyoming
Grand Prismatic Spring in Yellowstone National Park in Wyoming, USA
Old Faithful geyser erupts at Yellowstone National Park as a young bison grazes nearby. The famous geyser erupts at an average interval of 90 mins, expelling up to 8,400 gallons of boiling water at up to 184 feet high.
Stunning natural land features
Abyss Pool a hot spring of the West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Old Faithful Yellowstone National Park, Wyoming, USA.
Grey (or gray) wolf looking over buffalo (bison) on snow covered hill.  This wolf is a large canine native to Eurasia and North America. The wolf is the largest extant member of the family Canidae, males average 88 lbs. and females average 82 lbs. The grey wolf can be various colors.  The banded fur is usually mottled white, brown, gray, and black. This was near Tower junction in Yellowstone National Park between Gardiner and Cooke City Montana. Larger nearby cities are Bozeman and Billings, Montana. John Morrison Photographer
The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world.
Yellowstone Grand Prismatic Spring. Wyoming. United States.
Landscape of geyser basin with smoke and background of pine forest inside hot zone of Yellowstone National Park, Wyoming, USA.
American Bison (Bos bison, Bison bison) Herd  Grazing in the Rolling Winter Hills of Yellowstone National Park, Wyoming
Norris Geyser Basin in Yellowstone National Park_2697
A wide-angle view of Grand Prismatic Spring with puffy clouds overhead in Yellowstone National Park, Wyoming.
magnificent wild landscape in the Yellowstone National Park, Norris Geyser Basin, Wyoming, United states of America
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Grand Prismatic Hot Spring
Castle geyser eruption and volcanic activity, Yellowstone national park, Wyoming, USA.
Lower Falls in the Grand Canyon of Yellowstone National Park of USA
Springs and pools at West Thumb Geyser Basin overlooking Yellowstone Lake
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Yellowstone National Park
Hot spring at Yellowstone National Park. USA.
grand prismatic spring in Yellowstone National Park in Wyoming
Yellowstone River view in Yellowstone National Park, Wyoming, USA.
Black bear baribal rests on large rocks. Morning mist spreads over the lake. Cool autumn morning in the Rocky Mountains.  The concept of ecological tourism
Herd of Bisons sitting in Yellowstone National Park, Wyoming, USA.
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