The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

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

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

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

The only museum in the world dedicated to the history of sprint car racing, next to one of the country's most historic dirt tracks.

A museum and tribute to a brave profession.