Explore South Dakota’s secret underground wonders from crystal caves to deep-earth science labs. Learn how to visit and why ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

With more than 7,500 known caves, the Show-Me State is often called the Cave State, and for good reason. In this article, ...

Explore these unforgettable California travel destinations, from natural wonders to iconic landmarks, in this personal ...

We were hiking through the woods when we discovered something massive hiding underground – a cave the size of a stadium, just beneath our feet. In this video, we drop into the enormous ...

And if one cave isn’t enough, the smaller but equally interesting Hidden Forest Cave is nearby. When hunger strikes after your subterranean adventure, Bend’s renowned food scene awaits just a short ...

Let’s explore this hidden gem that proves some of Oregon’s most spectacular wonders aren’t found on mountaintops or coastlines, but deep beneath our feet. The journey to Lava River Cave begins ...

The Appalachian Forest Discovery Center has launched a new interactive exhibit highlighting the vital role of caves and karst landscapes in supporting drinking water, agriculture, and biodiversity ...

Bigfork High School Cave Club member Nicole McCarthy crawls through the entrance to a cave in the Trail Creek drainage north of Polebridge. Armed with a clipboard, a map and a handheld field ...

A mapping expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing shocking evidence of an extinct civilization.

The United States holds many geological wonders beneath its surface - ancient cave systems that not only showcase spectacular formations but also harbour evidence of America's distant past. These ...

World Largest Cave: There is a cave in the world which has its own ecosystem. This cave has a forest, river, rocks, trenches and much more. It was declared the world's largest cave in 2009.