In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Seller of surplus nuclear research materials.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A famous flea market artist's studio that's full of odds and ends.

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A museum devoted entirely to the rattlesnakes and snake-related art.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

"Alleys of Stone" form natural mazes in Spanish natural park.

Geological storytelling.

Cliffside houses provide a spectacular view from their perch above the valley.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

Mysterious Spanish catacombs of unknown origins.