A large instrument played by the wind.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

A huge musical instrument played by the ocean.

A partially hidden wall graffitied by spectators of the 1976 Bicentennial, recently rediscovered.

Unrepaired walls from a 1920 anarchist bomb attack.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

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

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

This abandoned subway station can still be seen on regular commuter trips.

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

A popular European tradition makes its way to the states on one of America's most famous bridges.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Walk over a 150 year old manhole.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A legendary speakeasy bookstore returns from the brink.

One of only two commuter aerial tramways in the United States.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

More gold than anywhere else, ever.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.