This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Detailed facade of a brownstone in Boerum Hill.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

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

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

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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

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

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

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

Read a book next to a Midtown waterfall.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Ride the subways of yesteryear.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

Elevated freight railway turned wildly successful urban park.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."