A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Walk over a 150 year old manhole.

Try not to get slimed in Tribeca.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

New York City's smallest piece of private property.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

A graffiti Mecca welcoming artists from around the world.

A crumbling hospital from the 1850s on Roosevelt Island.

Bowl in splendor, if you're lucky.

One of only two commuter aerial tramways in the United States.

A long abandoned hospital building on the outskirts of NYC.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.