Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

A park full of outsider art, created by college students studying outsider art.

Mysterious rocks that ring musically when struck.

A unique sculpture park that specializes in the huge and bizarre.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

This elaborate towering structure was once famed for its revolutionary height.