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

Commemorating the spot where the famous scientist fed his pigeons.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Red frames showcase remnants of one of New York's original subway stations.

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

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

Largest Roman Catholic church in North America.

A Civil War Museum with some notable medical antiques.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Lie in a hammock where George Washington stood.

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.

Hear the tales of New York's most notorious criminals.

Unrepaired walls from a 1920 anarchist bomb attack.

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

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

The site of the deadly Triangle Shirtwaist Factory Fire.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Elevated freight railway turned wildly successful urban park.

The most confusing clock in New York.

An artist's cute bronze subway sculptures belie his violent artistic past.

A semi-scholarly approach to sex.