See the computer’s history revealed over the course of 20,000 years.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

An experimental, automotive replica of Stonehenge.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Just a man taking his prehistoric pet for a stroll.

The first declared National Monument in the United States.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

A cemetery housing wild west legends in South Dakota.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

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

Every president in history is immortalized in bronze in downtown Rapid City.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.