Natural Bridge Caverns are the largest known commercial caverns in the state of Texas.The name was derived from the 20 m (65 foot) natural limestone slab bridge that spans the amphitheater setting of the cavern's entrance. The span was left suspended when a sinkhole collapsed below it.
The caverns are located near the city of New Braunfels, Texas in the Texas Hill Country next to the Natural Bridge Wildlife Ranch, a drive-through wildlife safari park. The caverns feature several unique speleothems and other geological formations. The temperature inside the cave is 21 degrees Celsius (70°F) year-round and the deepest part of the public tour is 64.3 m (211 feet) below the surface.
The caverns are still very active and growing. Water flows and drips constantly throughout, causing the formations to retain a waxy luster that can be seen in few caverns.
Read more about Natural Bridge Caverns: History, Ongoing Exploration, Passages Renamed, Gallery
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