A house carved into a rock in the 1940s.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

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

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

A unique collection of drawings that represent Fremont Native American culture.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

The fifth-longest natural arch in the world, and the longest outside China.

This Moab institution functions as both a rock store and a small natural history museum.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This ghost town was once a cult-like religious utopian settlement.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A Wild West saloon that helped define a generation of psychedelic rock.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Human ancestor’s 3.6 million year-old footprints.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

Several ancient rock paintings can be found on the hills surrounding the Daramombe High School.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

The arch that celebrated the completion of the Lincoln and Victory highways.

Old Danish castle immortalized in Shakespeare's Hamlet.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

Nordic giants resurrected from the sea and restored to their former greatness.

Climb to the top of its spiral spire for spectacular views of Copenhagen.