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

The unusual patterns in this rock formation result from two distinct modes of weathering.

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

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

This roadside stop between Goblin Valley and the Henry Mountains is the perfect location to view some of the region's natural wonders.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

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

Thousands of turbines whir 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.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

Sports history, made in the Arroyo Seco.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The remnants of a failed socialist commune can still be found just off a California highway.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The ghost town that ended up on Ebay.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

A 19th-century Baja cantina that many say is the birthplace of the margarita.