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

A crumbling hospital from the 1850s on Roosevelt Island.

New York City's smallest piece of private property.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

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

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

This replica of the Greek structure is in the heart of Nashville.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This structure among the trees was the result of divine inspiration.