An experimental, automotive replica of Stonehenge.

At 32 feet long, this swing is big enough for the whole family—and then some.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

Among the cornfields stands a giant spider crafted from an old Volkswagen.

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

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

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

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

Eight feet in diameter and more than 24 feet around.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

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

Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.

This artsy public restroom is shaped like a giant john.

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.

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

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

Don't pass Gas, stop and enjoy it.

A former Army airfield is home to one of the largest aviation museums in America.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

These otherworldly limestone formations jut out from the Kansas prairie.

Home to Hollywood history and a very special salt crystal.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.