Check out the underground party scene at the "Burning Man of Brooklyn."

Detailed facade of a brownstone in Boerum Hill.

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

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

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

A terrific purveyor of natural history objects and curios.

The oldest surviving synagogue in New York City is now a soaring art space.

Skewer up Kangaroo.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Three-story slide through the New Museum.

A hip bar decorated with walls of golden skulls.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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