The site of America's first commercial oil well essentially disappeared after the town went bust.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The ruined remains of a coal mining ghost town are hidden within the woods.

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

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

This dramatic rail curve was once the target of a failed Nazi attack.

A field of nothing but boulders which resembles a giant's gravel driveway.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

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

Yo, Adrian!

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

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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This little museum in the town where zombies were born celebrates the living dead.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

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

Where the oil industry began.