A 100-acre underground limestone mine beneath the Louisville Zoo. Used during the Cold War as a fallout shelter capable of holding 50,000 people. Now a subterranean adventure park.
From Wikipedia
History museum in Louisville, Kentucky
The Filson Historical Society, previously known as The Filson Club, is a privately supported historical society located in the Old Louisville neighborhood of Louisville, Kentucky. Founded in 1884, the Filson is an organization dedicated to continuing adult education through a quarterly peer-reviewed academic journal, Ohio Valley History, a quarterly magazine, The Filson, weekly lectures, historical tours, and exhibits.
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1816 • Federal