Natural Bridge Caverns Discovery Tour in San Antonio

About this activity

Explore the fascinating underground world beneath San Antonio with a visit to the Natural Bridge Caverns. Discovered in 1960 by a group of college students, these caverns have revealed signs of human presence dating back thousands of years, including ancient arrowheads and spearheads near the entrance. Today, visitors can embark on a guided tour through this remarkable cave system, illuminated by over 2,500 programmable LEDs — the first of its kind in North America. This state-of-the-art lighting enhances the natural beauty of the caverns, casting an enchanting glow on dramatic mineral formations and hidden chambers. The tour offers a unique and immersive way to experience the geological history of Texas, providing both an educational and visually stunning adventure underground.