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

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

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

More gold than anywhere else, ever.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

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

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

Unrepaired walls from a 1920 anarchist bomb attack.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

Discover the taste of mold.

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

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