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

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

A museum, walk-through diorama, and library nestled under one castle-like roof.

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

An impressive collection of farm equipment and other artifacts from life on the prairie.

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

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

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

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

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

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

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.

Just a man taking his prehistoric pet for a stroll.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

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

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.