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

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

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

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

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

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

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Become a prohibition rebel.

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

New York City's smallest piece of private property.

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

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

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

The "Seinfeld" diner.

Ride the subways of yesteryear.

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.

A hip bar decorated with walls of golden skulls.

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.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

New York's oldest magic store.