The hometown of movie legend, military officer and All-American guy next door, honors this great actor.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

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

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

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

The oldest continually operating golf course in the United States.

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.

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

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

The site of America's first commercial oil well essentially disappeared after the town went bust.

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

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

Memorializing an American tragedy of massive proportions.

Where the oil industry began.

"Where the ducks walk on fish."

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

For decades, it has disappeared and reappeared as water levels rise and fall.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

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

This collection honors the iconic, and proudly American lighter that just won't quit.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

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