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

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

Peek through the gates at this oasis from the city, full of Old English charm.

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

New York's oldest magic store.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A crumbling hospital from the 1850s on Roosevelt Island.

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

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Where America's first doomsday cult awaited the end of the world.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

An Industrial Revolution-era public work that purified water using nothing but sand.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

The walls of the iconic dome are hollow and have a secret stairway.

A wondrous old library overlooking the nation's capital.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The site of the climactic scene from the classic horror film is now a historic landmark.