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.

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 ...

The light changes, the air cools, and suddenly every twist in the path feels like the start of a real underground adventure.

Carlsbad Caverns National Park in New Mexico offers unique and breathtaking limestone cave formations, hiking trails, and educational experiences.

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 ...

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 ...