Outdoors and Adventure

Incredible US Caves and Caverns

Go spelunking to see an underground mansion, lava flows, a bat colony and the tracks of a giant Pleistocene jaguar. Plan a family trip to visit Carlsbad Cavern, Mammoth Cave and more!

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Caverns of Sonora
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Caverns of Sonora

Halfway between Big Bend National Park and San Antonio, TX, the Caverns of Sonora is one of the most active caves in the world, with more than 95% of its formations still growing. Outdoor enthusiasts can camp in a tent or RV nearby. You can’t leave this natural landmark without tasting fresh cream and butter fudge made at the caverns.

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