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

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

A local prank turned town icon.

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

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

A toxic ghost town sitting atop a massive coal fire.

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

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

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

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.

Hundreds of protractors affixed to surfaces all over the city.

A giant ball made from pieces of an old Jeep.

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

This secluded walking trail is a hidden gem of a Pittsburgh park.

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

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

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

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

A soon-to-be-forgotten roadside spectacle loaded with local lore.

Memorializing an American tragedy of massive proportions.

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