This semi-hidden Manhattan restaurant is based out of a loading dock.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The loneliest island in New York.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The famous author's cottage hideaway.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

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

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

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

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

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

One of the last Jazz Age "Wonder Theaters" in New York City.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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

A celebration of capitalism in Midtown.

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

Become a prohibition rebel.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

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

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.