Jewel Cave, located 13 miles west of Custer, has more than 208 miles of “mapped and surveyed passage ways,” with hundreds of suspected passages yet to be explored, according to the National Park ...

An underground chamber found in Jubilee cave is the largest known in Israel, rising over 10 stories tall beneath Ofra.

Step into an Arkansas cave where glowing formations, cool air, and echoing chambers make it feel like you’ve entered another ...

Most people come to Pictured Rocks National Lakeshore in Michigan’s Upper Peninsula for its namesake — the colorful, mineral-stained sandstone cliffs that line mighty Lake Superior. Those cliffs are ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Southern California is home to ...

The longest mapped network of caves in the world also contains one of the most implausible marine collections in North America. In Mammoth Cave, sharks and their kinsmen are preserved in layers of ...

Mammoth Cave National Park, home to the world’s longest known cave system, stretches for more than 680 kilometres, and counting, into the Earth. What began as a limestone labyrinth has turned out to ...

Step off the desert trail and into Arizona’s longest cave, where crystal formations and subterranean wonders await.

SPRINGFIELD, Mo. (KY3) - It’s a unique job that includes several duties. Part doctor. Part engineer. And part Michelangelo. Jonathan Beard goes around painting, planning, and giving new life to cave ...

Vandals have damaged Fitton Cave in Newton County. They removed several cave formations, including stalagmites and draperies, said Cassie Branstetter, a spokeswoman for the Buffalo National River. It ...