The abandoned Riverside Hospital on North Brother Island in the East River. The hospital was mostly used to treat people with "quarantinable diseases" and Typhoid Mary was confined to North Brother Island for over two decades.
Ardennes Forest, resting place of cars belonging to American service men; after the war they were responsible for shipping their vehicles back. Instead, the cars were brought up to a clearing in the forest, parked and left.
There are a lot of strange abandoned buildings in Louisiana, but this abandoned jail in Deridder, LA might just be one of the most ominous. The jail was built in 1914 and from the beginning has been plagued with rumors of hauntings and spirits.