Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Huge abstract sculptures of the Puerto Rican Flag.

The palatial McDonald's that inspired Wesley Willis.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A display of magnificent stained glass windows is the first exhibit of its kind.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A monument to the art of slicing people open.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This little museum in the town where zombies were born celebrates the living dead.

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

A giant ball made from pieces of an old Jeep.

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

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

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.

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 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.

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

Priceless space junk on display in front of a local Dairy Queen.

A gothic church spire sits atop this skyscraper, the tallest church in the world.