Russell Cave National Monument is located in northeastern Alabama near the Tennessee border. Russell Cave is an archaeo ...

When the summer sun is blazing, there’s no better way to cool off than by heading underground. Caves offer a naturally air-conditioned escape, along with a chance to explore some of the Earth’s most ...

Hidden River Cave in Horse Cave was closed to the public for decades until a local effort to clean it out began.

Beneath the Valley: the story of the famous caves of the Virginias -- The toughest cave: the story of Schoolhouse Cave -- The eternal standard: the story of Mammoth Cave -- In a lonely sandstone cave: ...

While precious summer hours are slowly ticking away, fall-like weather may be nice enough to get outside on the weekends for weeks yet. In case you weren't paying attention, fall returns on Sept. 22.

Carlsbad Caverns, one of the most impressive underground complexes on the planet and a UNESCO World Heritage Site, has been threatened not by an earthquake or natural erosion, but by something as ...

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 ...