Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Slyly buy a shake in the Parker Meridien lobby.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

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

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

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

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The celebrated eyesore created by starry-eyed sweethearts.

Eco-friendly island mansion.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

Friction between grains of sand cause a curious "singing" sound.

Museum dedicated to awful artwork.

The world's largest piece of copyrighted artwork.

A beautiful Victorian-era cemetery, complete with a miniature village.

Radical Bookstore and Community Space.