The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

A riverfront park that both remediated and preserved its industrial past.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

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

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.

Unrepaired walls from a 1920 anarchist bomb attack.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The mummified relics of an American missionary.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

One man's swirling six-acre monument of stone.

The home, museum, and death site of Kodak's influential founder.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

Every dish is blessed in this basement eatery beneath a Hare Krishna temple.

A toxic ghost town sitting atop a massive coal fire.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world’s first penitentiary, meant to be humane, drove men insane.