One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

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

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

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

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

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

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

Complex aquaponics systems allow fish and plants to grow in harmony.

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

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

A wonderfully curated used bookstore in an airport.

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

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

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

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

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.

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