A frozen oasis lies beneath the scorching New Mexico desert.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

A little slice of Florida face-in-a-hole kitsch, unexpectedly located in a small New Mexico town.

This sparsely populated town offers a look back in time.

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

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

The world's largest collection of the world's largest objects is in one small Illinois town.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This outsider art paradise is filled with dinosaur sculptures crafted from recycled machinery.

A Mars simulation in the southern Utah desert.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

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

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

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Walk through the sets of old western films at this small museum in Utah.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

This small museum is dedicated to the study of coprolites, or fossilized poop.

Ancient pueblos built into the base of a natural canyon wall.