These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

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

These aggressively sustainable art homes look like something out of 1970's science fiction.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A museum dedicated to the alleged Roswell Incident.

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Incredible sculptures inspired by obscure passages from the Bible.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A geological mystery on Camelback Mountain.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Miniature art that tells an enormous story.