The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Unique antiquarian shop specializing in globes, maps, and prints.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

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

An unassuming secret door once led to a legendary watering hole.

Nikola Tesla's former home contains an homage hidden from plain sight.

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

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

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.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Nondescript elevator doors open to reveal a stunning, surreal world.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A celebration of capitalism in Midtown.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

Become a prohibition rebel.

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

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.

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