A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The absurd creation is a compulsory destination for selfies in Buffalo.

A house carved into a rock in the 1940s.

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

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.

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

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.