ActionAdventureTwins on MSN

Inside the Largest Cave System Ever Discovered in the United States

Stretching for hundreds of miles beneath the surface, this is the largest cave system in the United States — a hidden world ...

Government shutdown affecting visitors to Mammoth Cave, where most tours are closed

Around 700,000 people visited Mammoth Cave National Park last year. Until the shutdown ends, all underground cave tours are ...
UNILAD

Tourist was warned they could trigger 'world-changing' chaos after dropping Cheetos in largest US cave

Carlsbad Caverns National Park officials cautioned a traveler who'd left their chips packet in the Big Room last year, claiming it caused the perfect storm.
Lancaster Eagle-Gazette on MSN

Ash Cave’s past comes to life with new historical marker in Hocking Hills

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

Depths of the earth caves and cavers of the United States [by] William R. Halliday

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: ...
NBC Montana

Montana home to 2 deepest caves in continental U.S.

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 ...