The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

A black cottonwood gets a second life as a home for books.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The last Americana on Route 66.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

A smoke stack so large, the Washington Monument could fit inside!

The mayor made the declaration in 2004.

The largest outdoor art gallery in the Northwest United States.

This museum glorifies the humble potato.

A museum dedicated to the history and art of staying clean.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Supposedly Satanic numbers adorn this preserved submarine sail.

Home to the deepest rift anywhere on Earth.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

St. Augustine's record-setting narrow street was designed to protect against pirates.