This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

One of the oldest of its kind.

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

The first American axe throwing club.

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

A daily replay of the experiment that proved the rotation of the Earth.

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

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

The abandoned coal loading dock is a canvas for unsanctioned art.

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

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

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

Yo, Adrian!

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

The oldest surviving botanic garden in the United States.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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