One of only two remaining Victorian-era greenhouses in New York.

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

Records of the dead describe the myriad odd ways people used to die.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

A curious friendship between two inanimate ladies.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

Walk into the 19th century without leaving Brooklyn.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

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

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Detailed facade of a brownstone in Boerum Hill.

This innocent-looking townhome is actually a subway exit.

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

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

Sniff the Titan Arum's rotting flesh.

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.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

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

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.