Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

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

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

Detailed facade of a brownstone in Boerum Hill.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Plot your trip through the city on the sidewalk.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Bowl in splendor, if you're lucky.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Slyly buy a shake in the Parker Meridien lobby.

Unlock the secrets of the conjuring arts.

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

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

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

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A very classy 1920s-era bar right in Grand Central Station.

A celebration of capitalism in Midtown.

Ride the subways of yesteryear.

More gold than anywhere else, ever.

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