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

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

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

A local prank turned town icon.

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

In the early 1800s, surgery was also a show.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Dr Barnes' $25 billion private collection of art and arboretum.

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

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

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

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.