This 19th century Sioux City candy company is the home of the Twin Bing, a historic, chocolate-covered treat.

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

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

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

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

European castle ruins in an American state park are actually the product of death and grief.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

An adorably sweet display of sculpted Precious Moments figurines.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

This Wild West attraction is alive with glitching automatons.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

A replica of the self-taught naturalist's iconic cabin stands inside a library near his hometown.

A wonderland of caves in eastern Iowa.

Eight feet in diameter and more than 24 feet around.

Elaborate drama imparts an appreciation for 19th century hardships.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A display of magnificent stained glass windows is the first exhibit of its kind.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.