The hike to Cave 338 is tough. You start at the Monastery of Núria in the eastern Pyrenees, which is already pretty high.

In the past, scientists thought that prehistoric peoples only traveled briefly through high-altitude mountain areas, rather ...

Nestled in the Pyrenees Mountains, the high-altitude cave may have been an ancient mining camp and burial ground.

Evie Carrick is a writer and editor who’s lived in five countries and visited well over 50. She now splits her time between Colorado and Paris, ensuring she doesn't have to live without skiing or L'As ...

In 1879, a landowner and amateur archaeologist named Marcelino Sanz de Sautuola ventured into a newly discovered cave system in northern Spain. Hoping to find prehistoric tools, he kept his eyes fixed ...

What if a magical talking cave could grant you your heart’s desire? Would you brave its mysterious, smooth-talking depths? What would you be willing to do to get what you want? If you’re one of the ...

A man returns to a cave he and his friend Rob discovered and dug open four or five years earlier. The entrance drops almost ...

Vietnam's Son Doong, the world's largest cave passage, started its life millions of years ago as a crack the width of a piece of hair. Today, adventurers marvel at the surreal caverns in its depths.