Located east of Malaga, Treasure Cave long attracted divers and visitors without revealing its deeper historical importance.

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 ...

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

This Arkansas cave isn’t frozen in time. Discover Blanchard Springs Caverns, where limestone drapes, quiet chambers, and slow ...

This is an archived article and the information in the article may be outdated.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 ...

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 ...

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 ...

BAYFIELD, Wis. >> Walking atop a frozen stretch of Lake Superior’s south shore, Jon Michels paused to look at a 30-foot-tall rippled ice wall cascading over a sandstone cliff cave. Then he noted ...