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 ...

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 ...

This is an archived article and the information in the article may be outdated.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

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 ...

KARTCHNER CAVERNS, AZ (3TV/CBS 5) - The story of Kartchner Caverns is one of discovery, exploration, secrecy, and preservation. It begins in rugged old Arizona’s southern desert where it might be hard ...

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 ...

CORYDON, Ind. — Indiana is full of incredible places waiting to be explored, so Chuck's latest Big Adventure has him checking out great destinations close to home! Southern Indiana's Cave Trail is one ...

ALBUQUERQUE, N.M. — The Big Room at Carlsbad Caverns with its gypsum formations and its huge space, bigger than six football fields and tall as a 30-story building, inspires awe for 500,000 annual ...

Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

The Tentative Lists of States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to facilitate ...