The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

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

This unique zoo is the only place in the world where you can see all 15 species of crane.

A bypass decorated with large wooden troll carvings.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

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

A large circus museum with summer performances.

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.

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

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

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

This cave holds a surprisingly colorful variety of geological oddities.

No one knows how many bodies are in this vault in a Chicago public park.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A hot dog stand where the heads are just as hot as the dogs.

Landmark Chicago building narrowly avoided destruction.

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.