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

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

A Manhattan office building is home to the world's largest chess board.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

Discover the taste of mold.

Come for the waffles, stay for more waffles.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

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

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 former hotel where Tesla invented the radio.

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

Have a steam and some blini at this cafe in a century-old bathhouse.

Unrepaired walls from a 1920 anarchist bomb attack.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

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

Avoid gangster interaction while window-shopping.

Finally, you don't have to be a pious Swedish seaman to relax like one.

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

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

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