Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

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

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

Statue dedicated to the star of an old television show.

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

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

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.

Robots, lasers, and whoopee cushions, oh my!

A bizarre house filled with an astounding array of collections.