A mini Wrigley Field for mini baseball players.

Man-made geyser that rises to the exact height of the Gateway Arch.

This family driveway also serves as the highest point in Illinois.

More than 8,000 drinking jugs say “Cheers!” to a guy named Toby.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

This historic hotel invented the chocolate brownie.

Once known as the Illinois Asylum for the Incurable Insane.

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

This historic lavatory leftover features two levels of defecation stations completely without context.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

The palatial McDonald's that inspired Wesley Willis.

An amazing collection of scale model ships.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

Spanking machines, fake goats, and more devices of humiliation are on display in this museum of fraternal initiation devices.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This overgrown Illinois water park offers a whole new type of adventure.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.

Medical museum focused on antique anesthesiology equipment.

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