These colossal desert barcodes have been fine-tuning spy satellites for decades.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Museum mostly in name, and only a restaurant depending on the day, this place could only exist in Marfa.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

This mother-daughter run curiosities shop is a beautifully odd mix of taxidermy and exotic plants.

The oldest continuously operating Catholic school west of the Mississippi.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

The world’s largest concentrated solar plant generates as many problems as megawatts.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Thousands of turbines whir at the origin of North American wind power.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.