A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

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

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

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

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

Yo, Adrian!

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

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

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.

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

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

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

This beloved marketplace mascot poops money and grants good luck.

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

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

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

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A museum of anything and everything Stooge.

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

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

These lush botanical gardens employ the most purrfect pest control force.