A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

A museum chronicling pioneer life constructed over Interstate 80.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

This abandoned prison castle has become an imposing gallery of graffiti art.

This giant green head remembers one of America's jazz giants.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

Whimsical cartoon cars suspended on posts soar over an automotive shop.

Outside this souvenir shop is a statue of Bigfoot composed of volcanic ash, and plenty more to see inside.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

An experimental, automotive replica of Stonehenge.

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

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

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

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

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

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

What is the Thing?

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

The unbelievably opulent home built for an infamous newspaperman.

Look closely and you’ll notice that the color changes a third of the way up the tower.