Every Underground Cave System in Arizona Explained (95% Have NEVER Been Found)

Did you know Arizona hides thousands of underground cave systems that most people will never see? While the desert state is famous for the Grand Canyon, beneath the surface lies a hidden world of limestone caverns, lava tubes, and vertical caves that stretch for miles in complete darkness. Most people think Arizona is all desert and canyons, but 95 percent of the state's cave systems have never been found or explored. From Kartchner Caverns near Tucson to the massive Grand Canyon Caverns, these underground wonders reveal a side of Arizona that tourists rarely discover. This video takes you deep into Arizona's most spectacular cave systems. We cover everything from tourist-friendly caverns with guided tours to restricted caves that require special permits and technical climbing skills. You will discover caves formed 65 million years ago, secret systems kept hidden for 14 years after discovery, and vertical drops that plunge 180 feet straight down into darkness. Some caves stay frozen at 35 degrees even in summer, while others maintain constant 70 degree temperatures year round. We explore the top cave systems across Arizona including: 1. Kartchner Caverns State Park near Benson 2. Grand Canyon Caverns along Route 66 3. Peppersauce Cave in the Santa Catalina Mountains 4. Colossal Cave in the Rincon Mountains 5. Lava River Cave north of Flagstaff 6. Onyx Cave in the Santa Rita Mountains 7. Coronado Cave near the Mexican border 8. Cave of the Bells requiring technical climbing 9. Arkenstone Cave with over 6,000 feet of passages 10. Redwall Cavern along the Colorado River Whether you are planning a visit to Arizona, looking for caves near Tucson or Phoenix, or just curious about what exists beneath the desert, this video reveals underground secrets that change how you see the Grand Canyon State. If you enjoyed learning about Arizona's hidden caves, please subscribe to our channel for more videos exploring facts and secrets about different states. Hit the like button and let us know in the comments which cave surprised you the most.