Hundreds of drawings left by the land's previous inhabitants remain mysterious.

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."

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

A house carved into a rock in the 1940s.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The world’s largest concentrated solar plant generates as many problems as megawatts.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The wild west is still alive and well at this authentic mining town watering hole.

Decommissioned experimental solar facilities that pioneered solar energy technology.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

Marta Becket's hand-painted theater in the desert.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

"Only the devil could play golf here."

One of the most unusual geological features, recognizable from a dozen hit movies.

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

This sun-scorched lakebed contains samples of half the natural elements known to humankind.