Just thirty minutes from downtown San Antonio, the amazing world of Natural Bridge Caverns awaits you! Natural Bridge Caverns is the largest cavern in the state of Texas, and offers a range of tour options that will take you through the various rooms of the cavern. The cavern features a variety of interesting geological formations such as stalactites, stalagmites, flow stones, chandeliers and soda straws. Take some time to explore the underground world of Texas' largest cavern with a visit to Natural Bridge Caverns!