Escape the outside world on these eight wild treks through lava tubes, caverns, and abandoned tunnels across the U.S.

So the bottom of the cave is behind us, in the long final lake which evidently harbours a hidden siphon, where the water continues its course during floods. We briefly consider the idea of starting to ...

Many know about Alabama’s beautiful beaches, soaring mountains, and sparkling lakes, but there’s much more to the Heart of ...

From Tennessee’s vast underground networks to New Mexico’s legendary hideouts and France’s prehistoric depths, caves hold stories that span nature, history, and human curiosity. Modern explorers map ...

LA JOLLA, CA (Amazing America) — What does a once-popular British breakfast cereal have to do with a hideaway for bootleggers? Well, that’s what Amazing America’s Cameron Fontana wanted to know. It is ...

Vietnam's Son Doong, the world's largest cave passage, started its life millions of years ago as a crack the width of a piece of hair. Today, adventurers marvel at the surreal caverns in its depths.