Across the world, there are beautiful caverns and subterranean spaces which attract many visitors each year. While it’s not a good idea to stroll into a cave on your own (it’s always best to ...

Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos and is the world's largest natural ...

two of the top three largest known caves in the world. To get there, a punishing path and 90 percent humidity test even the fittest hiker. A walk for the fortunate few: Only a limited number of ...

We've picked out some of the best caves in the US ... as well as expeditions led by tour guides. Mammoth Cave National Park, Kentucky This UNESCO World Heritage Site is the longest cave system ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

The country is home to some of the most unique and record-breaking caves in the world, from crystal chambers to hidden lakes beneath the surface. Let’s learn more about these incredible places ...

BEST OF 2019: The Veryovkina Cave is the deepest known cave on Earth ... Iceland is one of the world's most volcanic regions. Now scientists are tapping into this hot source of energy.

If you're looking for a unique experience, camping near Colorado caves adds an extra layer of excitement to your trip. Get ...

This world-famous natural wonder, which is situated about 120 miles south of Auckland, features a boat ride through Glowworm Grotto, where thousands of glowworms illuminate the cave ceiling.

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...