Cave pearls, a rare and beautiful phenomenon, are formed in limestone caves through the deposition of concentric layers of ...

Echoing spirits and an astonishing dinosaur-era underground system can be found in Aktun Chen, the unmissable cave walk in ...

Explore the U.S. for magical caves; many are national parks with unique features like bat colonies and ancient fossils. Visit Bracken Cave in Texas for the world's largest bat colony, Mammoth Cave ...

But some explorers have found the ... and geological aspects of Twin Cities’ underground world, was disparaged by the urbex community for everything from criticizing online urbex resources to ...

Despite all those years of exploration, still each year, courageous cave explorers discover new tunnels and rooms underground and thereby stretch the known limits of the world's longest and ...

Piana and the other eight explorers were part of a task group which they had called 'Operation Sebino', for underground mapping of uncharted cave branches. The 32-year-old is thought to have ...

By Elizabeth Hunter A young man who grew up in a network of prehistoric caves owned by his parents is now running them as a ...

The first explorers of this cave named one of the caverns “Minas ... A 45-minute tour takes visitors underground to the mines coalface where methods used to extract coal are demonstrated.