Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the world’s most fascinating cave systems, each with its own story carved by ...

Mammoth Cave National Park is Kentucky's lone national park. However, it isn't the only cave in Kentucky, or even the area. There are even more caves near the park and around the state than the caves ...

This lava tube is reportedly the third-longest in all of North America, trailing Hawaii’s 40-mile Kazumura Cave and the less-publicized 9-mile Deadhorse Cave system near Washington’s Mount Adams.

Travel 20 minutes west of Englewood and 80 feet below ground to explore one of the world’s longest haunts situated in an abandoned limestone mine. The Lewisburg Haunted Cave is open Fridays and ...

Beneath the idyllic resort towns of Mexico's Yucatan Peninsula, daring explorers have uncovered a hidden world of grand chambers and twisting tunnels. The Ox Bel Ha, Mayan for 'Three Paths of Water', ...