Oh yeah and I did the math wrong in comparing the size of the cave to the grand canyon, turns out I'm better at geology than I am at math, go figure. The grand canyon is actually MUCH larger.

Free. Grand Canyon Caverns are a dry cave system near Peach Springs in northwestern Arizona. The lack of moisture helps preserve the formations and keeps the air inside the cave clear and clean.

Globally, caves provide important refugia for bats. The Grand Canyon, more than 400 km (250 mi) long, consists of steep-sided, rocky formations with hundreds to thousands of natural caves. Two of ...

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 ...

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 ...