The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

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

The remnants of a creative early method of wildfire prevention.

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

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

A land of debatable treasure.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Experience a charming 1930's version of "infotainment."

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Odd outsider art installations surround a Gold Rush-era ghost town.

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

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Celebrating the transformation of trash into objects of beauty.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

A giant donut stands as a popular symbol of Los Angeles iconography.

"Only the devil could play golf here."

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.