Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the ...

At first glance, Wyoming's Kane Cave exhibits few characteristics of the world's most picturesque caves — it lacks mineral deposits, including stalactites and stalagmites, which decorate most cave ...

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 ...

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 ...

This is an archived article and the information in the article may be outdated.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

If you’re road-tripping through the region, you might also enjoy scenic stops like the 10 Most Beautiful Lakes to Visit in the U.S. to balance surface beauty with underground wonder. Carlsbad Caverns, ...

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 ...

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 ...

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 ...

Scientists discover all stalagmites growing from cave floors follow a mathematical rule that explains how these mineral ...