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

The oldest surviving botanic garden in the United States.

One of the oldest of its kind.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Believed to be the birthplace of the United States Marine Corps.

An Irish Memorial commemorating those who perished due to potato blight.

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

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.

This sculpture pays homage to sailors that perished attempting to round Cape Horn.

Where America's first doomsday cult awaited the end of the world.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

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

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

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.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

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

One of Philadelphia's largest murals resides hidden under this bridge.

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

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

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

Alexander Hamilton’s creation caused quite a bit of controversy.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.