A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

One of the oldest of its kind.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

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

Yo, Adrian!

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.

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

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.

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

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

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.