The Natural Bridge Caverns are home to the biggest commercial cave system in Texas. Above-ground adventures include zip lining, a rope course, a maze, gem mining, shopping and dining. But the ...

The Natural Bridge Caverns hosts an array of Adventure Tours ... Based on a sampling of bat guano by Bat Conservation International, the colony is estimated to be at least 10,000 years old.

Texas is full of holes, and lots ot them. With limestone underground, it is estimated that 13,000 caves, sinkholes and ...