A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

A museum celebrating the self-taught artist-environment builder.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

A place to eat for on-the-run agents and espionage enthusiasts.

This striking art museum holds an amazing series of curiosity cabinets.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

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

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

The murals have transformed a residential alley into a vibrant drive-through gallery.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

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

World's second largest particle accelerator, where nature reveals its secrets.

Eclectic collection of rare and beautiful stones in a historic home.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

The final resting place of the world's first nuclear reactor.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.