The world's largest Holstein cow.

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

This collection of shrines features large statues of Jesus and Mary, plus views of Sioux City.

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

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

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

This hand-carved wooden carousel in the Story City North Park was built in 1913.

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

Eight feet in diameter and more than 24 feet around.

A museum chronicling pioneer life constructed over Interstate 80.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

The only Frank Lloyd Wright-designed structure in the architect's hometown.