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More in 20 Abandoned Places in the U.S. You’re Not Supposed to Visit, But Can
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See all stacks →Bannerman Castle, New York
Perched on an island in the Hudson River, Bannerman Castle looks like a Scottish fortress gone to ruin. Built in the early 1900s as a private arsenal, it was abandoned after a series of explosions and fires. Visitors can now reach the island by tour boat and walk among the crumbling walls. The castle’s ivy-covered remains make it one of the most photogenic and mysterious landmarks in U.S. travel.
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