The final resting place of the Hollywood star who came to a tragic end.

An industrial waste tourist attraction.

These small house replicas have stood proudly since the 1950s, even as the property has changed hands.

Narrow gorges and deep pools created by long-ago glaciers.

Pennsylvania’s creepiest roadside attraction is a haunting example of roadside kitsch.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

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

Where the "World Pinball Champion” is crowned.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

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

This public space is speckled with the eerie remnants of a defunct amusement park.

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

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

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

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

It would take 35 firetrucks to fill this enormous glacial pothole.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

The last street in Pittsburgh that's paved with wood.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.