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

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

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

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

This old mining town, deep in the California desert, has a year-round population of one.

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

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

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

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

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

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

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Not your typical pet cemetery.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Most-visited and most-photographed slot canyon in the American Southwest.

The oldest continuously occupied public building in the United States.

The longest living non-clonal organisms on Earth.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

An enormous image of Utah's salt flats made entirely from tape.

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