Yellowstone National Park

Yellowstone, the first national park in the world, was established by the U.S. Congress in 1872 and has welcomed millions of visitors in the 139 years since. Last year, Yellowstone recorded its highest number of visitors ever, as some 3.6 million people passed through its gates. Its well-known geothermal features -- geysers, hot springs, and fumaroles -- owe their existence to the massive Yellowstone Caldera, a 45-mile-wide volcanic system beneath the park. Tourists are also drawn to Yellowstone's hundreds of species of wildlife, massive waterfalls, and incredible vistas. Collected below are a few recent views of Yellowstone National Park.

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