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 ...

An underground stream winds through a vast Illinois cave few people know about. Wade through cool water and explore one of the state’s most surprising adventures.

Mammoth Cave, located beneath Kentucky’s rolling hills, is the longest known cave system on Earth, extending a staggering 426 miles (686 kilometers). With a history spanning millions of years, this ...

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 ...

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

1 of 4 — Cave Point Country Park at Door County in Wisconsin 3 of 4 — The Visitor Center at Cave of the Mounds. Blue Mounds, WI, United States, May 4, 2023. Cave of the Mounds, a natural limestone ...

This beautiful 525-acre public park is home to biking and hiking trails, fishing spots, shelters, and more. The cave’s history dates back to the 18th century, when the site was once home to a tavern ...