Explore the world's longest known cave system and see colorful, subterranean light displays in these incredible caves that ...

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 ...

Two years passed since the public could walk through the 200-feet-deep cave of Blanchard Springs Caverns — the COVID-19 pandemic, repairs and the spread of white nose syndrome among bats put on the ...

KARTCHNER CAVERNS, AZ (3TV/CBS 5) - The story of Kartchner Caverns is one of discovery, exploration, secrecy, and preservation. It begins in rugged old Arizona’s southern desert where it might be hard ...

Missouri has a whole other world under the surface of the Earth. Far below the surface of Missouri, a state that is perhaps best known for Kansas City-style barbeque, Anheuser-Busch, and an odd ...

The first person to peer into the 18-inch crack in an Amador County hillside got quite the surprise. The gap swallowed the sunlight, exhaling sweet, cool air. Translucent pillars flushed orange in the ...

Below the Chihuahuan Desert in southeastern New Mexico, lies an extensive system of limestone caves, among them the famed Carlsbad Cavern, home to one of North America's largest underground chambers.

AUSTIN (KXAN) – A river runs through it. Well, at least it did a long, long time ago. Now a mostly dry labyrinth of tunnels and massive chambers create one of the most popular tourist attractions in ...

Located in southern Missouri and northern Arkansas, the Ozarks are a large section of land famous for natural wonders: state parks, lakes, mountains, plateaus, and rivers. What many visitors don't ...

Slovenia is home to some of the most amazing limestone caves in the world, which are a treat for nature lovers and adventure ...

Slovakia is home to some of the most fascinating karst caves in the world, which are a must-visit for adventure junkies ...