If you’re looking for a complete guide to Wind Cave National Park, then you’ve come to the right place. Keep reading to ...

But Jewel Cave, which was designated a national monument in 1908, has more than 180 miles of mapped and surveyed passageways, making it the third-longest cave system in the world. The cave ...

This cave’s name is no exaggeration. Jewel Cave glitters with crystals that coat the walls like frost. It’s the third-longest cave system in the world, with over 200 miles explored.

Sweetwater, Tenn.? When a 13-year-old boy discovered what is now the world’s second-largest underground lake, he had to crawl through a muddy hole deep inside a cave and throw balls of dirt into ...

The formations are almost artistic in their detail, making it feel more like wandering through a dream than a cave. With over 220 miles of mapped passageways, Jewel Cave isn’t just a name—it ...