One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

Elevated freight railway turned wildly successful urban park.

Constructed in the 1920s, this former pencil factory is now an office building.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Lie in a hammock where George Washington stood.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Red frames showcase remnants of one of New York's original subway stations.

New York City's smallest piece of private property.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Check out the underground party scene at the "Burning Man of Brooklyn."

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

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

Walk into the 19th century without leaving Brooklyn.

Three-story slide through the New Museum.

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

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Try not to get slimed in Tribeca.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.