• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

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  • West ridge of Amphitheater Mountain, covered in snow

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    Windows Into Wonderland: electronic Yellowstone field trips

    Learn about Yellowstone through 17 electronic field trips! Explore »

Did You Know?

Upper Geyser Basin Hydrothermal Features on a Winter Day.

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.