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

Waterway populated with abandoned projects, including a submarine.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

A posh members-only club with a literally dramatic history.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Little Red Lighthouse under the George Washington Bridge.

This interactive gallery makes you feel like you've stepped into a fantasy world filled with whimsical monsters.

A modern zoetrope on the New York City subway.

The site of the deadly Triangle Shirtwaist Factory Fire.

The notorious headquarters of a corrupt political machine.

There must be a pun in this haystack somewhere...

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Commemorating the spot where the famous scientist fed his pigeons.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Two New York rooftops are home to the largest rooftop soil farms in the world.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Walk into the 19th century without leaving Brooklyn.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.