1
Kartchner Caverns
Phoenix,
AZ
Kartchner Caverns is one of the very few show caves that are newly opened nowadays. This is the chance to see a cave in an extremely well preserved state, since most of the older show caves have a long history of fires, to... showcaves.com
2
Arizona Mining And Mineral Museum
1502 W Washington St,
Phoenix,
AZ
Arizona Mining and Mineral Museum is not a mine, not even an underground structure, so it is not exactly a subterranea. Actually it is a sort of mineral museum, and while we love to visit any kind of geology related museum... showcaves.com
3
Central Arizona Grotto
26406 N 43rd Ave,
Phoenix,
AZ
1st Fri. of each month, member's homes nssio.org