HUNTINGTON, W.Va. (WSAZ) - A search remains underway for a missing man after a crew in the mine hit a pocket of water, flooding the tunnels at the Rolling Thunder Mine in Nicholas County. The National ...

In 2026, these Ohio cave tours and underground adventures offer hidden beauty, cool air, and unforgettable experiences.

Hidden cities. Salt mine shrines. Skull-encrusted catacombs. Glowworm cathedrals. Quell your wanderlust by scrolling through this gallery of the world’s most beautiful underground places. Image Credit ...

Deep in Michigan’s U.P., this little-known preserve leads to a striking underground world that feels far wilder than most ...

This lava tube is reportedly the third-longest in all of North America, trailing Hawaii’s 40-mile Kazumura Cave and the less-publicized 9-mile Deadhorse Cave system near Washington’s Mount Adams.

A huge cave system suddenly turns nasty when the passage opens into waterfalls, deep pits, and black voids that seem to keep ...

Hidden across the Keystone State are mysterious underground spots just waiting to be explored. While there are plenty of attractions on the surface, going below ground is a far different experience ...