A burial ground of rusting metal grave markers.

Here, exhibits come with a side of edible history.

A decommissioned military complex that's now a modern industrial park.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Waterway populated with abandoned projects, including a submarine.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

Walk into the 19th century without leaving Brooklyn.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

“Invented in Key West, Perfected in Brooklyn."

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

Sniff the Titan Arum's rotting flesh.

New York City's smallest piece of private property.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.