Take a drunken tour inside the world's largest known geode.

A local prank turned town icon.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

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

This park contains a number of standing stones meant to heal and inspire.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

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

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

An abandoned stretch of highway, deteriorating next to the operational one.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

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.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

One of the oldest surviving lock houses on the Ohio River.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

This museum is dedicated to the first coast-to-coast highway.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.