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Yellowstone National ParkRoosevelt Arch is at the park's North Entrance
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Yellowstone National Park
Places
 
Hymen Terrace, Mammoth Hot Springs, with Fort Yellowstone in the background.
Detroit Photographic Co circa 1902
Hymen Terrace, Mammoth Hot Springs, in the foreground with historic Fort Yellowstone in the background.
 
Early after Yellowstone Park was established, the U.S. military assisted in protecting and administering the park. Visit these pages to learn more about historic Fort Yellowstone, and the historic back-country cabins they constructed.
A rainbow outlines an erruption of Beehive Geyser.
Inside Yellowstone
Short videos on park features
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webcam image of Beehive erupting
Old Faithful Geyser Live!
Launch the live streaming webcam
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 Lake Hotel in Yellowstone National Park.
Lodging Info
Reservations for Lodging and Camping in the Park
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Upper Geyser Basin Hydrothermal Features on a Winter Day.  

Did You Know?
Yellowstone contains approximately one-half of the world’s hydrothermal features. There are over 10,000 hydrothermal features, including over 300 geysers, in the park.

Last Updated: February 10, 2009 at 13:31 EST