One woman's Viking Castle on Lake Tahoe.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

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

The arch that celebrated the completion of the Lincoln and Victory highways.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

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

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

An unexpected and peaceful oasis on a hillside.

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

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

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

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

Colorful Native American paintings are hidden within this small cavern.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

The final resting place of one of Hollywood’s most prolific and talented actors is on the grounds of a California Mission.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.