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

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

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.

This icon of the Atomic Age now lays dormant.

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

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

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

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

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

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

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

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.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

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

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

Pittsburgh's literal underground railroad.

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

There aren't too many operational funiculars around, but Pittsburgh has two!

One of the steepest streets in the United States makes an intriguing challenge for cyclists.