This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The celebrated eyesore created by starry-eyed sweethearts.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

The Ozarks' strangest dwelling.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

A beautiful geyser under environmental threat.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

The first declared National Monument in the United States.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

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

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

A cemetery housing wild west legends in South Dakota.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.