Hundreds of antique bank vault locks on display in New York City.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A modern zoetrope on the New York City subway.

Ride the subways of yesteryear.

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

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

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

Phil Mortillaro uses keys to bring art back to the Village.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Tucked in the back of this amazing antique store is an important piece of medical history.

A cargo of beautiful music.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

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

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

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

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

Outsider Art Community.

The Magical World of George Phar Legler.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.