Peek through the gates at this oasis from the city, full of Old English charm.

Plot your trip through the city on the sidewalk.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

From scholastic to sepulchral - now under reconstruction.

This Orthodox Church's exterior is rather unorthodox.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

An accidentally hidden library containing the ephemeral history of New York.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

The saddest little diner in New York.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

A posh members-only club with a literally dramatic history.

The oldest living organism in New York City. Maybe.

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

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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