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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.
Old Faithful Geyser Eruption\nYellowstone National Park
Steam rising from Grand Prismatic Hot Spring, indistinctive tourists walking on the boardwalk. Yellowstone National Park, United States.
Old Faithful Geyser in the Upper Geyser Basin of Yellowstone National Park. Eruption with lots of steam.
Gibbon falls in Yellowstone National Park
A beautiful view of a valley in Yellowstone at sunset, steam blowing across the landscape from volcanic pools and vents.  Three bison are barely visible in the background resting in the evening light.
Girl hiker relaxing on top of the mountain, looking at beautiful summer  landscape. Beautiful Lower Falls at Yellowstone National Park, USA.
Gibbon Falls, Yellowstone National Park, Wyoming, USA
Gibbon Falls at Yellowstone National Park
Waterfall at Waterton Lakes National Park in Alberta, Canada, Slow Shutter.
Old Faithfull Geyser, Yellowstone National Park
Lower Falls of the Yellowstone River from Artist Point. Grand Canyon of the Yellowstone River. Yellowstone National Park, Wyoming.
Grand Prismatic Spring in Yellowstone National Park Wyoming, horizontal
one of more than 10,000 thermal features in Yellowstone. Research on heat-resistant microbes in the park’s thermal areas has led to medical, forensic, and commercial uses.
The Old Faithful geyser erupting, Yellowstone National Park
Erupting Grand Geyser, Upper Geyser Basin, Yellowstone National Park.
Gibbon Falls in Yellowstone National Park
Spring view of Yosemite Falls as seen from the Yosemite Valley floor.\n\nTaken in Yosemite National Park, California, USA.
Detail of Yellowston National Park Mammoth Hot Springs Travertine Pools and Formations
Large herd of bison (buffalo) resting, rolling in dirt and finding mates for the rutting (reproduction) season in Lamar Valley in Yellowstone National Park in western USA in the states of Wyoming and Montana. Nearby communities are Mammoth Hot Springs, Gardiner and Cooke City, Montana. John Morrison Photographer
Lower Falls of the Yellowstone River rushing water and snow melt clinging to the side of the canyon in spring at Yellowstone National Park
The beautiful landscape in majestic Yellowstone National Park in Wyoming.
Erupting Old Faithful geyser in Wyoming
Erupting geyser at Norris Geyser Basin, Yellowstone National Park, Wyoming, USA
A gorgeous landscape shot of Yellowstone National Park featuring a collection of geysers in the foreground and a lush forest in the background
Porcelain Springs area of Norris Geyser Basin a very active thermal area in Yellowstone National Park, Wyoming.
Kepler Cascades, Yellowstone National Park
Winter Landscape in the Grand Canyon of Yellowstone National Park
Gibbon Falls at Yellowstone National Park, Wyoming
The famous Old Faithful Geyser, Yellowstone National Park.
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