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Boonsboro, Maryland: Crystal Grottoes Caverns: Maryland's Only Show Cave

Crystal Grottoes Caverns claims to have "more formations per square foot than any cave known to Man" and to be "the most naturally kept cave in the world."

Crystal Grottoes Caverns

Address:
19821 Shepherdstown Pike, Boonsboro, MD
Directions:
Crystal Grottoes Caverns. 1.5 miles west of Boonsboro, on the south side of MD-34/Shepherdstown Pike.
Hours:
Summer daily 10-5; off-season F-Su. (Call to verify) Local health policies may affect hours and access.
Phone:
301-432-6336
Admission:
Adults $23.
RA Rates:
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Visitor Tips and News About Crystal Grottoes Caverns: Maryland's Only Show Cave

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Crystal Grottoes Caverns

Crystal Grottoes is the only show cave in the state of Maryland. It is on Maryland Route 34 between Boonsboro and Antietam National Battlefield.

[Olivia B, 04/29/2024]

The cave notably claims to have "more formations per square foot than any cave known to Man" and to be "the most naturally kept cave in the world." Its entrance was discovered while quarrying rock to build adjacent Highway 34.


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