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

A curious sculpture garden and museum in Cochrane, Wisconsin.

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

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

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A bizarre house filled with an astounding array of collections.

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

This cave holds a surprisingly colorful variety of geological oddities.

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

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

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

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

Statue dedicated to the star of an old television show.

Robots, lasers, and whoopee cushions, oh my!

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

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

More than 5,000 contemporary and "historic" mustards from around the world.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

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

A large circus museum with summer performances.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.