This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

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

A bypass decorated with large wooden troll carvings.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

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

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

A bizarre house filled with an astounding array of collections.

Where experiments are conducted on all things wood.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

These mansions date back to Chicago's days as a brewer's paradise.

This historic hotel invented the chocolate brownie.

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

A factory in Milwaukee where poop is reclaimed… and recycled.

A wonderfully curated used bookstore in an airport.

A unique botanical garden housed in three giant geodesic domes.

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.