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

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

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

The World's Largest Bull.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

An eclectic assortment of medieval architecture in a small Iowa town.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Nature's biggest mammal swims in landlocked Oklahoma.

A unique attraction and museum dedicated to exploring iconic roadside structures.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

This artsy public restroom is shaped like a giant john.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

This three-dimensional brick mural is the longest of its kind in the United States.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

A ghost town now swarming with dozens of prairie dogs.

One of the first intercontinental ballistic missile sites in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A cemetery housing wild west legends in South Dakota.

A fitting attraction for the corn capital of the world.

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