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

A glittering Thai Buddhist temple in suburban Pennsylvania.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This beloved marketplace mascot poops money and grants good luck.

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

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

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

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A failed piece of Orientalism has become the proud symbol of a community.

In the early 1800s, surgery was also a show.

There aren't too many operational funiculars around, but Pittsburgh has two!

Yo, Adrian!

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

This might just be the TARDIS of bookstores.