This innocent-looking townhome is actually a subway exit.

An arcade packed with a rotating collection of unique independent video games.

Prove you deserve to be fed by Kenny Shopsin.

New York's oldest and possibly grandest keeper of books.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

A bit of retro transportation flair preserved in the world's largest department store.

Bowl in splendor, if you're lucky.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Detailed facade of a brownstone in Boerum Hill.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

The first and only carousel with a lineup entirely of insects.

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

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

Abandoned power station once home to a squatter community, now being developed into an arts center.

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

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

The famous author's cottage hideaway.

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

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

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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.