A New York garbage depot holds a secret collection of weird and wonderful refuse.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A terrific purveyor of natural history objects and curios.

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

A crumbling hospital from the 1850s on Roosevelt Island.

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.

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

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

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This once luxurious Catskills resort is now a haunting ruin.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

The saddest little diner in New York.

I fought the law and the precinct caved in.

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

Once America's longest-manned military fort, now an abandoned hulk.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This mouldering abandoned mental hospital was once a center for progressive healing.

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

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.