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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Years of archaeology, just chillin' by the water cooler.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

The building was originally a gas station built to resemble a Japanese tea house.

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

Statue dedicated to the star of an old television show.

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

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

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

Robots, lasers, and whoopee cushions, oh my!

This cave holds a surprisingly colorful variety of geological oddities.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

One of Rome's most picturesque and original bridges was also a popular choice for Grand Tour artists.

An ancient Roman temple first dedicated to an emperor's wife is now a church.