A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

The final resting place of England's most notorious bandit.

Step inside Lucy, the world's largest "elephant."

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

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Visit the monolithic tomb of America's most famous general.

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

Cryptic messages embedded in the New York City sidewalk.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Plot your trip through the city on the sidewalk.

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

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

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

A very classy 1920s-era bar right in Grand Central Station.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

A hip bar decorated with walls of golden skulls.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."