NATURALLY INCREDIBLE PLACES This region has no shortage of stunning rock formations. At Chiricahua National Monument , discover rhyolite rock pinnacles, balanced rocks, columns and other formations created by a volcanic eruption millions of years ago. See these geological wonders on a hike or a scenic drive. Kartchner Caverns State Park near Benson ranks among the most beautiful living caves in the world. On a tour, you’ll pass one of the longest soda straw stalactites in existence, the world’s most extensive formation of brushite moonmilk, the tallest column in Arizona and other incredible displays. Just 15 miles southeast of Tucson, Colossal Cave Mountain Park offers a family-friendly tour of its caverns six stories underground, where you’ll learn about the cave’s geology, wildlife and legends. A more adventurous tour takes visitors through tight passages and across rock bridges. EXPLORE COCHISE Chiricahua National Monument, Willcox Extraordinary skies.Uncommon ground. 57