The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This beloved marketplace mascot poops money and grants good luck.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

A completely round house designed for the Atomic Age.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.