450-million-year-old fossils of ancient giant snails and squids. Ceilings that rise 100 feet in the cave's Grand Canyon area. Stalactites, stalagmites and formations that look like oozing slime ...

I had visited five national parks before I visited Mammoth Cave, including the Grand Canyon, but it was at Mammoth Cave that I truly fell in love with national parks. You see, in none of my five ...

Rampart Cave is 300m high in the walls of the beautiful and iconic Grand Canyon. Discovered in 1936 and full of animal dung it is an important research site. The cave shows how crucial scientific ...

Few movie and TV locations are as eternal and easily accessible as the Bronson Caves. Just two miles northeast of Hollywood & Vine in a canyon on Griffith Park's western edge, the caves have served ...