The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

A hidden grotto on the grounds of the Kane County Government Center.

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

This shop for all your super spy needs hides an educational secret.

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

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

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

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

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The face of a woman pushes its way through the earth.

This whimsical sculpture garden is a local treasure.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

One of Frank Lloyd Wright's final works was this UFO church.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

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

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

A unique botanical garden housed in three giant geodesic domes.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

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

The Bong-area park police have asked visitors to please, stop stealing the signs.