Before you head off on your cave pearl hunting adventure, you need to gear up! Key items are waterproof boots, a sturdy ...

Venturing into the heart of the earth to discover the Cave of Crystals is an adventure like no other. Located in Naica, ...

As I pulled back to get it loose, my helmet cracked hard against the rock ... With these rewards, cave exploring will never be a chic sport. But its devotees measure enjoyment in inches of mud.

He held up a battered red helmet to which he’d fastened a lamp ... He has been studying and exploring the cave systems below Gunung Mulu National Park since 1979. The British team found that ...

He’s wearing a white helmet with his name and “Cave Rescue ... or four people in the U.S. that are managing glacier cave exploration,” Gulley says. “You have to have all the caving ...

William Whiskerson: Oh, Tom. We're all going on a cave adventure. What have you got on your heads? Tom: These are special helmets called hard hats, William. We wear them in the cave to protect our ...