Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Unrepaired walls from a 1920 anarchist bomb attack.

The former hotel where Tesla invented the radio.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Avoid gangster interaction while window-shopping.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

The oldest living tree in Manhattan comes shrouded in sinister legend.

“Invented in Key West, Perfected in Brooklyn."

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

This innocent-looking townhome is actually a subway exit.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Lie in a hammock where George Washington stood.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.