Crystal Grottoes
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Crystal Grottoes is the only show cave in the U.S. state of Maryland. It is located on Maryland Route 34 between Boonsboro and Antietam National Battlefield.
Twin Ribbons in The Crystal Grottoes
The building at the entrance to Crystal Grottoes
Show cave
Videos
A show cave—also called tourist cave, public cave, and, in the United States, commercial cave—is a cave which has been made accessible to the public for guided visits.
Crystal Grottoes
…Crystal Grottoes is the only show cave in the U.S. state of Maryland. It is located on Maryland Route 34 between Boonsboro and Antietam National Battlefield. Crystal Grottoes was discovered…
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