Launch your boat into the Ohio River or explore a 55-foot cave with fascinating pirate history in this state park in southeastern Illinois.

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

In the state with the highest number of caves, some draw visitors every October for dank, dark tours and other seasonally ...

I am fascinated by the old caves and cellars German American brewers used back in the 19th century to lager their beer. Over the years, in the course of my research, I’ve received valuable information ...

The Carlsbad Caverns usually get all the press and notoriety in New Mexico, but a lesser known natural wonder underground and the volunteer cavers who have explored it will finally get their day in ...

Nature Cat is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio ...

Email notifications are only sent once a day, and only if there are new matching items. To find out more information about caving and local organizations near you, visit the National Speleological ...

This is an archived article and the information in the article may be outdated.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. UPDATE: All five men have been rescued.