A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Unrepaired walls from a 1920 anarchist bomb attack.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Lie in a hammock where George Washington stood.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

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

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

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

A very classy 1920s-era bar right in Grand Central Station.

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

Try not to get slimed in Tribeca.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

These whimsical works of art tell the story of the city's past and present.

The massive machine creates cracking displays of indoor lightning.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

An enormous, inside-out glass globe built in 1935.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.