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

Salute the leader of the proletariat.

The site of the deadly Triangle Shirtwaist Factory Fire.

Rummage through this sunken ship, but leave your scuba gear at home.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

The oldest living tree in Manhattan comes shrouded in sinister legend.

New York City's only preserved family home from the 19th century.

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

Cryptic messages embedded in the New York City sidewalk.

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

Lie in a hammock where George Washington stood.

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

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

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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