Created By: Kristin Bowl
Crystal Grotto- 19821 Shepherdstown Pike, Boonsboro: Crystal Grottoes Caverns were founded in 1920 when the State Road Commission was quarrying limestone to build up and pave State Route 34. The caverns opened to the public in 1922 and has more formations per square foot than any cave known to man. It is also the most naturally kept cave in the world. The caves maintain a constant yearly temperature of 54 degrees.
This point of interest is part of the tour: Boonsboro, Maryland Walking Tour
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