Explorers in southern Spain have linked two deep caves into one “supercave system” about 16.4 miles long. The connection sits ...

Tsingy de Bemaraha is one of Madagascar's most famous limestone formations. This UNESCO World Heritage site features sharp ...

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

Discover rarely seen Kentucky caves, from historic Sand Cave to remote Buffalo Cave, and explore the state’s hidden ...

Sinks Canyon State Park is famous for its "disappearing river," but that's not all there is to see at the Fremont County ...

Tucked away in the Bahamas, Eleuthera's Queen's Baths offer a serene soak unlike any hotel pool - nature's secret spa carved ...

The Marble Arch Caves in County Fermanagh are one of several locations featured in a new campaign showcasing natural ...

Ready for adventure? Find five breathtaking, secluded waterfalls around the world that are unknown to most travellers. Read ...

Mars, the Red Planet, has long captured our imagination as a possible home for life. Recently, a team of scientists uncovered ...

From Sedona cliffs to canyon railroads and quiet desert lakes, this Arizona day trip guide maps out quick escapes locals love ...

If you can’t get enough of Florida’s underground world, head to the caves in Withlacoochee State Forest near the Gulf Coast ...