These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

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

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

A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

A monument to the frontier doctor who came up with the idea of delineating highways with a painted line.

Along a California highway is a kind of Jurassic Park made of metal.

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

At this deceptively beautiful beach, nothing is what it seems.

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

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

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

Version of the French Riviera destroyed by the sea.

World's largest collection devoted to one fruit.

The ghostly remains of an accidental sea.

Thousands of turbines whir at at the origin of North American wind power.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

A scrap-metal sculpture recalls an infamous 19th-century camel.

Ancient human, animal, and geometric figures drawn in the earth.

The stone-covered graves lie within the ruins of an Old West ghost town.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Semi-recognized center of the world, with many oddities.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."