In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

A century-old network of freight tunnels underneath the city's historic business district.

People escaping slavery passed through the oldest house in Lombard, Illinois on their northbound journey to freedom.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

Planes, trains, and automobiles have all been sunk as attractions at this Illinois diving spot.

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

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

The NBA player's elaborate former home is now a ghost of its old glory.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

Take a break from all the boring business of death at this funeral home mini-golf course.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

A river with some unusual, and occasionally dangerous, habits.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A six-story-tall golden pyramid, surrounded by a moat.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

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

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

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Pizza with a side of fine art.