An abandoned castle owned and ignored by Masons carries a cursed history.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

This vacant church in the Financial District was once the heart of New York's first Syrian immigrant community.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground