The Old Line State isn’t exactly known for caves. In fact, when a cave attraction comes to mind, you may think of show caves in surrounding states. However, there’s a little known cave in Maryland that’s more impressive than you may think. It’s even known to have the most natural formations per square foot than any other cave known to man. Really! Read on to learn more about this fascinating natural wonder that deserves your attention.

Crystal Grottoes Caverns is located in Boonsboro, Maryland. When you see this sign, you know you've arrived.
Crystal Grottoes Website
Pictured here is the entrance to the caverns. Step right in and prepare to be WOWed.
Wikimedia Commons / Acroterion
The caverns were discovered in 1920 when a drill bit disappeared into a hole. The workers realized that they had found a one-of-a-kind cave.
Wikimedia Commons / Jklispie
The entrance was blasted for easy access and the cave was opened for visitors in 1922. It's been fascinating guests ever since.
Crystal Grottoes Website
Explore the tunnels, which remain a crisp 54 degrees year-round. You may want to bring a sweatshirt.
TripAdvisor / Melodycthomas

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There are numerous formations, which took thousands of years to form.
Crystal Grottoes Website
Most of the rooms contain stalactites, flowstone, and columns.
Crystal Grottoes Website
Many formations are a tan color, but you may spot some white crystal-esque structures as well.
Flickr / A.Currell
You'll also spot natural pools and all-around interrupted beauty. Crystal Grottoes Caverns is one of the most naturally-kept caves in the world, which is pretty special.
TripAdvisor / midnighter94
Who knew such an incredible hidden gem was hiding in Maryland? If you love exploring, be sure to put this spot on your bucket list.
Crystal Grottoes Website

Address:

19821 Shepherdstown Pike

Boonsboro, MD 21713

For more information, including hours and pricing, visit the website here.

Have you visited Crystal Grottoes Caverns? What did you think? For more natural wonders around Maryland, click here!

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