Castle Williams

Manhattan, United States · built 1807

Castle Williams is a circular fortification of red sandstone on the northwest point of Governors Island, part of a system of forts designed and constructed in the early 19th century to protect New York City from naval attack. It is a prominent landmark in New York Harbor. Together with Fort Jay, it is managed by the National Park Service as part of Governors Island National Monument.

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Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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