Yellowstone is America's first national park, named after the river that runs through it. Within the park's massive boundaries, visitors can find mountains, rivers, lakes, waterfalls, and some of the most concentrated geothermal activity in the world. The park has 60% of the world’s geysers as well as hot springs and mud pots. It is also home to diverse wildlife, including grizzly bears, wolves, bison, and elk.

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