Discover incredible underground chambers filled with spectacular formations on a family-friendly guided tour along paved, lighted walkways. Natural Bridge Caverns is Texas’ Largest, and one of the premier show caves in the world. Pan for gems, like miners panned for gold at the Natural Bridge Mining Company. Don’t miss the Canopy Challenge which is a four level zip line course. New this year is the AMAZEn' Ranch Roundup. Designed using real ranch materials, AMAZEn'Ranch Roundup is one of the only dynamic, permanent outdoor mazes in Texas. Located 8 miles west of IH-35 between San Antonio and New Braunfels, Exit #175.