“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."

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

New York's oldest and possibly grandest keeper of books.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

Bowl in splendor, if you're lucky.

Detailed facade of a brownstone in Boerum Hill.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

This abandoned subway station can still be seen on regular commuter trips.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This semi-hidden Manhattan restaurant is based out of a loading dock.

During the holidays, a vintage subway train whisks New Yorkers back in time.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Nondescript elevator doors open to reveal a stunning, surreal world.

The oldest surviving synagogue in New York City is now a soaring art space.

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