The Crystal Cave

The limestone Crystal Cave was discovered in 1897 and can still be visited today.

Cards showing scenes at the Crystal Cave:

Crystal Cave, Put-In-Bay, Ohio (Date Unknown)
Vintage linen postcard depicting scenes from the Crystal Cave in Put-In-Bay, Ohio.
Crystal Cave, Put-In-Bay, Ohio (Date Unknown)
Vintage postcard depicting the interior of one of the caves at the Crystal Cave in Put-In-Bay, Ohio.