While caving is a sport enjoyed by millions, there are significant risks. From disorienting dives to unfortunate rockfall, ...

Hidden River Cave was once filled with heavy metals and sewage that made the surrounding town smell awful. After a cleanup, it became a tourist draw. The entrance to Hidden River Cave lies just off ...

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 ...