Some areas, like the Spider Cave, are hidden deep within dark forests, making them tricky to locate. The Spider Cave is an ...

Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, ...

The most studied subject of all at the Devil’s Sinkhole is the Mexican free-tailed bat, a cherished mammal by farmers in ...

A friend sent us coordinates to a hidden cave entrance next to the interstate, tucked inside a quarry with water flowing from the cliffs, hinting at a possible underground system. With the highway ...

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to ...

Hundreds of carvings of prehistoric animals, and women, line a cave in southwest France. For 4 weeks a year researchers are ...

Deep inside a labyrinthine cave in south-western France, ancient humans who lived around 30,000 years ago carved horses, ...

This cave, located inside a strange-looking "head" is located in the Swamp of Evil region. To get there, call the duck by ...

Deep inside a labyrinth cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceroses into the walls, a fabulous prehistoric menagerie that ...