A tiny one-room church built after one man's prayer for healing was answered.

A piece of crumbling highway infrastructure was repurposed as a high-tech facility for testing racecars.

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

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

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

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

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.

Originally a cemetery, this city park remains speckled with a handful of scattered gravestones.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

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

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

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

A bronze statue of Mister Rogers in the neighborhood where he grew up.

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

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

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

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

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

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

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

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

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.