A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A legendary speakeasy bookstore returns from the brink.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

More gold than anywhere else, ever.

A hands-on traveling collection of the innovative devices of yesteryear.

One of only two commuter aerial tramways in the United States.

Become a prohibition rebel.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

New York City's smallest piece of private property.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

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

A dilapidated dock tells the story of Titanic's missed arrival.

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

Read a book next to a Midtown waterfall.

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

A hip bar decorated with walls of golden skulls.