Home with Gothic windows featured in a famous painting.

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

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

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 massive sea stack famous for its appearance in The Goonies.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This massive redwood tree has a hole in the base big enough to drive through.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Man-made geyser that rises to the exact height of the Gateway Arch.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

A sprawling museum filled with larger-than-life works of art.

Shop of curiosities with a dinosaur museum tucked in its basement.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A bizarre house filled with an astounding array of collections.

A large circus museum with summer performances.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

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