Plumb the hidden depths of Texas and discover a mysterious underground world beneath the surface of San Antonio, with Natural Bridge Caverns tickets. This stunning cave network was discovered by four college students in 1960, but arrowheads and spearheads dating back thousands of years have been found around the entrance, so the caves have been providing shelter and wonder for quite some time! Follow a glowing trail of over 2,500 LEDs, (North America's first programmable LED cave lighting system) and see the shadowy ancient underground in an all-new light, on an atmospheric guided tour of the breathtaking mineral deposits and cave formations.