13 centuries-old NYC military forts you can still visit

November 11,2016 | By Sean Christie

13 centuries-old NYC military forts you can still visit

Today’s New Yorkers likely don’t think of their city as a stronghold of military operations, but starting around the time of the Revolutionary War and up through the War of 1812, many forts were constructed across the city in order to defend New York Harbor from the British. Later, a third wave of forts was built between 1817-1867 to guard the city's southern entrance (around the Narrows, dividing Staten Island and Brooklyn), which became ever more important during the Civil War.

And while the city continued to use many of these forts as military defenses in the 20th century, those that were decommissioned were repurposed into everything from a site for public-art projects to read more