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

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

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.