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This national park is home to the longest cave in the world—and only 426 miles have been explored so far

Here’s how to plan a trip to Mammoth Cave National Park.

$100 national park fee: What visitors need to know

The standard "America the Beautiful" annual pass, which grants access to all federal recreation lands, remains $80 for U.S.

Dozens of National Park Sites Closed After Winter Storm Strikes

As temperatures plunge and ice coats parts of the Southeastern United States, the National Park Service has closed visitor ...