8 historic buildings in NYC that were moved from their original locations: AMC Empire Theater, Poe Cottage, Little Red Lighthouse, Buell Hall at Columbia University
An intricate network of tunnels connects many of the Columbia University's buildings, dating back to the site's prior use as an insane asylum.
We visited the sites of NYC's most infamous former insane asylums. We also rounded up some lesser known facilities, including an orphanage and smallpox hospital.