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

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.

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

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

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

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

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

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

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.

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

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

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.

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

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

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.

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.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.