This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

Singing sand that stands as the final remains of an ancient lake.

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

Mine your own precious stones.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

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

The smallest country in the world.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The drama of nature in full effect in this Nevada State Park.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Its dark depths conceal millions of rare, delicate crystal formations.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

Astronomers plan to launch a space telescope into orbit, to find out what exactly stands in the way of an asteroid hitting Earth.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

Burping, gurgling geothermal mud pots by the Salton Sea.

Rusty industrial city full of oxidized distillation towers.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."