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

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

A spiritual vortex among the red rocks in Sedona.

A Wild West jailhouse that slid down the mountainside.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

An off-grid art installation that encourages its visitors to imagine a world without waste.

A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An artificial crater field that trained astronauts for lunar exploration.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

Perhaps the world's only gas station inspired by a political scandal.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This black church sits alone among a field of lava rock.

This little gem of Spanish Colonial architecture has been abandoned since the 1950s.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

The unbelievably opulent home built for an infamous newspaperman.

A house built from trash known as the poor man's Hearst Castle.

Cambria's most unique B&B features creative surroundings and fantastic food.

A massive volcanic plug is now a protected area that hosts a number of bird species.