The palatial McDonald's that inspired Wesley Willis.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

These pretty kitties killed and ate as many as 135 railway workers.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

No one knows how many bodies are in this vault in a Chicago public park.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

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

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

"The Most Boring Road in the State."

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Taxidermy and miniatures come together to create this unique museum.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.