Jewel Cave, located 13 miles west of Custer, has more than 208 miles of “mapped and surveyed passage ways,” with hundreds of suspected passages yet to be explored, according to the National Park ...

This Arkansas cave isn’t frozen in time. Discover Blanchard Springs Caverns, where limestone drapes, quiet chambers, and slow ...

NOEL, Mo. -- A visit to Bluff Dwellers Cave is a cool way to spend a hot summer afternoon and in more ways than one. Though humid, the temperature is cool -- approximately 56 degrees year-round -- and ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

The world that exists below the surface in Carlsbad Caverns National Park is a subterranean marvel, full of formations that dazzle the eyes. It’s impossible not to be awed by this geological wonder ...