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

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

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

Ghost town with a beer-drinking goat for mayor.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

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

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

Once disputed as the largest sundial in the world.

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

The state bird of New Mexico, constructed entirely out of garbage.

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

A museum dedicated to the alleged Roswell Incident.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

Every summer, the Mendenhall River greenbelt comes alive with an explosion of magenta flowers.

Cascading outward, this waterfall creates the appearance of a flowing veil.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The remains of this ancient fortress atop a manmade hill look as though they were built into a volcano.

The Dead Sea Scrolls were discovered in the ruins of this ancient monastic community.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.