A tunnel with windows, so you don't miss out on the impressive views.

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

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

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

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

A Wild West jailhouse that slid down the mountainside.

A spiritual vortex among the red rocks in Sedona.