The first purpose-built art gallery in the United States is once again open as a center of craft arts.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

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.

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

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

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

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

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

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

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

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A local prank turned town icon.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.