This underrated gem is truly a one-of-a-kind destination that will appeal to both nature lovers and music fans. You won't ...

Sistema Sac Actun in Mexico's Yucatan Peninsula is the world's largest underwater cave system, stretching an incredible 215 ...

Sistema Sac Actun is the world's largest underwater cave at 215 miles, a breathtaking labyrinth of nature and history beneath ...

courageous cave explorers discover new tunnels and rooms underground and thereby stretch the known limits of the world's longest and biggest cave systems. From the vast labyrinths in France to the ...

As the miners entered the cave, they were greeted by a surreal sight: enormous, translucent beams of gypsum, some reaching over 30 feet (9 meters) in length and weighing over 10 tons.

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One of North Carolina’s smallest bat species is on the brink of extinction. But an unlikely ally is developing a plan to help ...

Cathedral Caverns in Alabama is one of the largest caves in the world, known for its massive entrance and impressive stalactites and stalagmites. Dismals Canyon in Alabama is a scenic natural landmark ...

Human eyes have only recently surveyed the inside of Earth's largest cave. Not surprisingly, more people have stood at the very top of Mount Everest than inside this elusive wonder of the world.

Cherney Maribel Caves County Park is like the Swiss cheese of Wisconsin’s cave systems – full of holes and utterly delicious ...

What makes these 50 cave pearls so unique is that some of them contain archaeological artifacts, making them the first in the world to contain man-made objects. Cave pearls are a type of ...