This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Pay homage to the quintessential P-town dive.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

The oldest philatelic museum in the United States.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.

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

World's first "penitentiary," meant to be humane, drove men insane.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.