The Crystal Cave

The limestone Crystal Cave in Put-In-Bay, Ohio, was discovered in 1897 and can still be visited today.

Crystal Cave, Put-In-Bay, Ohio (Date Unknown)
Vintage linen postcard showing the entrance and crystals from the Crystal Cave in Put-In-Bay, Ohio.
Crystal Cave, Put-In-Bay, Ohio (Date Unknown)
Postcard showing the interior of one of the caves at the Crystal Cave in Put-In-Bay, Ohio.