Native Americans built this circle of stones, which was used to predict astronomical events.

The first declared National Monument in the United States.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

A cemetery housing wild west legends in South Dakota.

Calidum et Deliciose Succosum!

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

Just a man taking his prehistoric pet for a stroll.

A fitting attraction for the corn capital of the world.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”