The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

The world's first commercial spaceport is a disappointment of cosmic proportions.

This is one really big nut.

Home of the International Space Hall of Fame.

The largest self-built castle in the U.S., six decades in the making.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.

A clear blue swimming hole with hidden caves, still unexplored.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

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

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

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

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

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

A unique geological area spiked with wind-carved rocks that resemble teepees.