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

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

Pittsburgh's literal underground railroad.

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

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

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

Hundreds of protractors affixed to surfaces all over the city.

This icon of the Atomic Age now lays dormant.

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

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

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

The last street in Pittsburgh that's paved with wood.

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

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

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

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

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

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

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

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

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

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

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