Better than the tunnel of love, tour a fascinating underground cave!

Kartchner Caverns State Park is a stunning "live" cave discovered in 1974 that boasts world-class features including stalactites dripping down like icicles and giant stalagmites reaching up from the ground. Tour guides will unveil this underground landscape during a memorable 1 1/2 hour tour. The Discovery Center features exhibits, a gift shop, theater, and cafe. There are also campgrounds, hiking trails, lockers, and shaded picnic areas. Book tickets and make campsite reservations online.

Website: http://azstateparks.com/