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.

This once luxurious Catskills resort is now a haunting ruin.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A long abandoned hospital building on the outskirts of NYC.

An abandoned stretch of highway, deteriorating next to the operational one.

This abandoned amusement park was built on a site with a dark history.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

The saddest little diner in New York.

I fought the law and the precinct caved in.

One of only two remaining Victorian-era greenhouses in New York.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

Once America's longest-manned military fort, now an abandoned hulk.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.