The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Abandoned power station once home to a squatter community, now being developed into an arts center.

Unlock the secrets of the conjuring arts.

Sniff the Titan Arum's rotting flesh.

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

From scholastic to sepulchral - now under reconstruction.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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

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

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

A hip bar decorated with walls of golden skulls.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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.