Island where motor vehicles are banned -- home to the only carless highway in the United States.

This freshwater spring fills with 10,000 gallons of water per minute.

A true roadside icon standing on the same plains that the herds once roamed.

Three legendary, living albino buffalo roaming their pastures for all to see.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A fitting attraction for the corn capital of the world.

A cemetery housing wild west legends in South Dakota.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A six-story-tall golden pyramid, surrounded by a moat.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

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

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A winged-helmed, sword-brandishing tribute to German Americans.

Terraced flowerbeds and rock sculptures in the midst of the Minnesota wilderness.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.