This public park was the site of the largest civilian disaster of the Civil War.

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

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

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

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

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

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.

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

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.

A giant ball made from pieces of an old Jeep.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

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

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

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

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

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.