I went many years ago and I'm glad I went but wouldn't go again. We had a really neat tour guide who was entertaining and full of information. The only part I really hated was the section that was full of bats. There is a "pool" in there where you can take a dip.

Just a warning.....if you have asthma that is triggered by mold/mildew then this place is not for you. A friend went last year and thankfully she had her inhaler.