Heading down the natural entrance to the main cavern.
Notice the earphones that Gary is wearing. It's a radio-controlled personal tour guide system.
800 feet underground...in a lunchroom?
Entering the Big Room
Why are all these people leaning over?
I just KNEW I shouldn't climb up that ladder. Look what happened to it!
Mirror Lake. Notice the reflection of its name in the pool just above the circle of ripples.
