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

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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

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

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

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

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

A prohibition era watering hole for the police.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

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

Unlock the secrets of the conjuring arts.

The notorious headquarters of a corrupt political machine.

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

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

This former crime corner has been turned into an eclectic community center.

A living archive of urban activism and space reclaimed.

The oldest Methodist church in the United States has been spreading the good news for over two centuries.

More gold than anywhere else, ever.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

Lie in a hammock where George Washington stood.

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