Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

One kilometer of thick brass rod laid out before your eyes.

A terrific purveyor of natural history objects and curios.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Avoid gangster interaction while window-shopping.

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

Try not to get slimed in Tribeca.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A formerly abandoned mental institute, now back in business.

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

A crumbling hospital from the 1850s on Roosevelt Island.

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

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

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

19th century cemetery hidden in Brooklyn's Prospect Park.

A long abandoned hospital building on the outskirts of NYC.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.