A state park in eastern Kentucky is throwing a summer party pool, but instead of being under the sun, it'll be deep inside a cave. This year, Carter Caves State Resort Park is opening up Cave Branch ...

This tucked-away lodge experience brings the drama in the best way, with steaming natural water, cool alpine air, and a ...

This cave pool, found in the Lechuguilla Cave of New Mexico, appears to be completely pristine. It was discovered in October at Carlsbad Caverns National Park. Max Wisshak photo/Carlsbad Caverns ...

An incredible cave network has been discovered 700ft below a national park. Stunning pictures show a "wondrous" blue pool - never before been seen by human eyes - which was found in the depths of ...

This video showcases the complete construction of a platinum underground cave pool with a private underground living room. Built using traditional techniques, the project combines luxury design with ...