The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

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

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Pennsylvanian mass grave and possibly mass murder.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.