Take a tour of this huge historic cave, one of Indiana's largest, and you'll see a 135-foot-tall indoor mountain and a ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Exploring deep, dangerous underwater cave systems offers scientists and divers unparalleled glimpses into Earth’s history, ...

Tennessee is getting a brand new state park, and it happens to be on the location of one of the state's most incredible ...

The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...

Cave City, the home to Mammoth Cave National Park, is giving visitors reason to stop and explore. Cave City in Barren County is home to Mammoth Cave National Park. Over the years, the city has gone ...

There’s something about cave exploring that intimidates me. Perhaps it’s venturing below ground or the feeling of being enclosed, but the whole experience strikes me as a bit off-putting. That being ...

Perhaps the most well-known New Mexico cave, Carlsbad Caverns is located in the Guadalupe Mountains in the southeastern part ...

Escape the summer heat by exploring three cool underground caverns in upstate New York: Howe, Natural Stone Bridge, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking for a way to make the best of New York's hot summer days? Heading underground and exploring cool caves — both in ...