The Underground Railroad passed right through this historic Brooklyn Heights church.

A decommissioned military complex that's now a modern industrial park.

Sip a cappuccino in the historic cafe that introduced them to the United States.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

This once-private estate is now a dreamy, meditative garden that's open to the public.

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

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The first museum in the United States dedicated entirely to posters.

New York City's only radical feminist independent bookstore.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

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.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

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

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

This fancifully decorated Victorian home in New York’s Hudson Valley is the only known fully domed octagonal residence in the United States.

The real-life site of Ichabod Crane's infamous gourd attack.

The video game-themed street art first popped up in the French city.