Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

A monument to the forgotten French explorers and their landmark expedition.

This Nebraska museum was once the smallest courthouse in America.

This Great Plains museum pays tribute to both the prosperity and tragedy of the North American fur trade.

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

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

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

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The first declared National Monument in the United States.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Population: 1.

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.

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

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

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.

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

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

A bizarre house filled with an astounding array of collections.