Minnesota is home to only a few well-known caves. Mystery Cave is probably the most famous, with the nearby Niagara Cave coming in close behind. The Wabasha Street Caves, though manmade, are another common stop for those who love underground adventure. These caves are popular, but Minnesota has many more unnamed caves that you’ve likely never heard of. One of the most interesting is an aboveground cave near Stillwater that will give you a surreal experience. Take a look:

Ever been to the aboveground cave at the St. Croix Boom Site? Know of any other secret caves in Minnesota? Let us know in the comments below!

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