Stretching for hundreds of miles beneath the surface, this is the largest cave system in the United States — a hidden world of rivers, chambers, and ancient stone carved by time itself.

MAMMOTH CAVE, Ky. — Though the federal shutdown has affected several national parks across America, Mammoth Cave National ...

We explored the largest cave in the United States - and it’s absolutely mind-blowing. From towering chambers to endless tunnels, this underground world feels like something out of a sci-fi movie. In ...

Hidden River Cave in Horse Cave was closed to the public for decades until a local effort to clean it out began.

National parks. It seems post-COVID, we can't get enough of the outdoors and the natural beauty of America. Kentucky boasts one national park (Mammoth Cave) and two national historical parks (Abraham ...

THREE RIVERS, Calif. (KFSN) -- Anyone looking for an outdoor adventure can soon visit the enchanting Crystal Cave in Sequoia National Park. The Sequoia Parks Conservancy announced Tuesday that it ...

Beneath the Valley: the story of the famous caves of the Virginias -- The toughest cave: the story of Schoolhouse Cave -- The eternal standard: the story of Mammoth Cave -- In a lonely sandstone cave: ...

Ash Cave’s new historical marker reveals Indigenous artifacts, geological origins, and its role as a 19th-century gathering place.

BOB MARSHALL WILDERNESS, Mont. — Montana calls itself home to the first and now second deepest cave in the continental United States. A team discovered Bobsled Cave in the Bob Marshall Wilderness, and ...