10 Best Caves in Arizona You Must Explore 

1: Colossal Cave Mountain Park, Vail

2: Kartchner Caverns State Park, Benson

3: Cave of the Bells, Santa Rita Mountains

4: Peppersauce Cave, Oracle

5: Lava River Cave, Flagstaff

6: Coronado Cave, Hereford

7: Grand Canyon Caverns, Peach Springs

8: Onyx Cave, Santa Rita Mountains

9: Soldier Pass Cave, Sedona

10: Birthing Cave, Sedona