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

This beloved marketplace mascot poops money and grants good luck.

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

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

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

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

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

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

A rare view of a preserved Victorian science museum.

The humble field where the first Major League Baseball game was played.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

An homage to everyone's favorite prehistoric cartoon family.