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

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The Paul Bunyan of the steel industry.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A piece of baseball history is preserved in a Pittsburgh parking lot.

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

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

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

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

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

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

Pennsylvania's own Roswell-style UFO mystery.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

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

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

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

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States