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

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

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

One of the oldest of its kind.

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

This beloved marketplace mascot poops money and grants good luck.

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

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

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

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

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

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

Yo, Adrian!

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

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

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

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

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

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

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A layered tribute to the work of mosaicist Isaiah Zagar.

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