A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

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

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

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

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

The tragic reality of a village riddled with rumors of haunts, chemical spills, and serial killers.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

One of the oldest living oak trees in the Southeast.

This one-room cabin where the young colonel slept during the French and Indian War.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Marta Becket's hand-painted theater in the desert.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

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

America's first public mental health facility.