This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

An enormous park-like oasis, full of famous Chicagoans' graves.

Cemetery featuring rare glass-fronted columbarium.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

A science teacher's dream.

A hot dog stand where the heads are just as hot as the dogs.

A monument to the art of slicing people open.

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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The palatial McDonald's that inspired Wesley Willis.

Hot Doug's "Hot Dog" Stand.

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The 606 is a decade in the making.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Years of archaeology, just chillin' by the water cooler.