This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

Single runway interrupted by a busy road that cuts across its middle.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

A reproduction of earth's many biomes.

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

Inside this store, a mysterious statue draws visitors from the world over.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

The cinder cone volcano with a less than complimentary name.

The world's largest military aircraft cemetery.

More than a century old, this trading post resides in the Navajo Nation.

A mysterious spirit totem at the edge of Navajo lands.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

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

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

A Wild West jailhouse that slid down the mountainside.

An urban laboratory.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.