One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

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.

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

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

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 synagogue in New York City is now a soaring art space.

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.

A celebration of capitalism in Midtown.

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

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

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

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

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

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

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

The "Seinfeld" diner.