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 Florida cave looks like Carlsbad Caverns, with massive formations, guided tours, and underground chambers most people ...

In 2026, these Ohio cave tours and underground adventures offer hidden beauty, cool air, and unforgettable experiences.

Geology doesn’t often go viral, but one Scottish cave managed to do it by looking like something straight out of a video game. A TikTok video showing its jagged, gold-lit columns caught millions of ...

There are over 45,000 known caves and caverns in the United States. The National Park Service manages nearly 5,000 of them, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Southern California is home to ...

Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

When delicate cave formations are damaged, Carlsbad Caverns National Park calls on the fix-it skills of Michael Mansur and his growing legion of volunteers. Nothing good happens fast in a cave. Those ...

SPRINGFIELD, Mo. (KY3) - It’s a unique job that includes several duties. Part doctor. Part engineer. And part Michelangelo. Jonathan Beard goes around painting, planning, and giving new life to cave ...

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 ...