Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

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

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

The Ozarks' strangest dwelling.

The oldest continuously occupied public building in the United States.

This site was once the largest ski jump tower in the world.

An obelisk commemorating Lincoln's role in connecting the coasts.

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

The oldest university museum west of the Mississippi retains its 19th century feel.

No one knows the origin of this small town’s unique name.

This simple home was the beginning of a long journey for the iconic Western film star.

A mysteriously dark cemetery monument fuels stories and legends galore.

The World's Largest Bull.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

This historic early-20th-century building still boasts some of its original features.

A unique blue and yellow phone booth in America's "Little Sweden."

This artsy public restroom is shaped like a giant john.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

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