Hidden beneath the surface of Arizona's landscape, close to the U.S.-Mexico border, is the mysterious Coronado Cave. Prepare ...

Just an hour from the shimmering lights of the Las Vegas Strip lies a very different kind of glittering strip—a ribbon of ...

For those bitten by the caving bug, the same company operates two other remarkable caves in the area that make for a perfect weekend cave-hopping adventure. Moaning Cavern in nearby Vallecito features ...

Cliff-rappelling scientists uncovered a crossbow bolt, part of a slingshot and 25 shoes in ancient vulture nesting sites ...

Then there’s the two subterranean lakes that have made the cave so iconic. The deep blue lakes look like the waters around ...

Stalagmites, those mineral columns rising from cave floors, hide a mathematical regularity. A team of researchers has just ...

Cavers found an “extraordinary,” first-of-its-kind spider colony in a cave along the Albania-Greece border, photos show and a study said. Photo from Marek Audy via Urák, Vrenozi, Głąbiak, Lecoquierre, ...

At about 4,800 meters, or nearly 15,800 feet, above sea level, Cerro Rico towers over the city of Potosí, in Bolivia’s ...

Archaeologists uncover prehistoric Megastructures in Slovenia’s Karst Plateau, revealing previously unknown ancient European ...

A UNESCO World Heritage site, Skocjan Caves is famous for its massive underground canyons and waterfalls. The tours take you ...

Capturing the perfect shot of my dogs in Slovenia took a surprising turn—check it out! Cardiologist: 9 American foods you ...