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

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

The final resting place for the famed creator and narrator of "The Twilight Zone."

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

An abandoned tuberculosis hospital moulders on into an uncertain future.

This abandoned ironworks was once the most important military supplier in America.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

The remains of what was once the world's steepest passenger funicular.

Ruins of a once-prized railroad station in New York.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

The best B-movies filmed on a shoestring budget were born here.

Final resting place of two dozen New York City harbor ships.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

A forsaken wonder in the middle of the East Side neighborhood.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

A winding, cliffside stretch of road overlooking the Delaware River.

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

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.