The Grand Canyon National Park hides more than stunning views it conceals entire forbidden regions where entry is strictly ...

The theory behind salt caves is that breathing salty air can thin the mucus in a person's lungs, allowing people to expel ...

CALICO ROCK, Ark. (AP) — There are plenty of hideouts in the rugged terrain of the Ozark Mountains, from abandoned cabins to campsites in the vast forests where searchers are hunting for a convicted ...

Researchers in Spain used Apple iPhone’s built-in LiDAR sensor to create a 3D map of a cave with hundreds of prehistoric cave ...

Tucked away on a dirt road just south of Corydon, the first state capital of Indiana, is Squire Boone Village and Caverns, an underground cave and restored village that dates back to the early 1800s.

In Sarawak, echoes of time still flow into the present. From the skulls and cave paintings of Niah to the bustling oil town ...