These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

An errant donkey ushered in a new era of mining in Nevada.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

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

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

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

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

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

This Gold Rush ghost town was once the subject of a territorial dispute between California and Nevada.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Concrete strongholds stand guard over the Golden Gate.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

A relic of the region's once booming timber industry.

A natural dome made of volcanic glass in Inyo National Forest.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A lawless town deep in Death Valley was famous for its riches and death rate turned YouTube famous.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

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