Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Educational foundation that teaches the powers of fourth dimensional physical properties.

Giant nude woman of Tijuana is also the artist's home.

A little barn in the middle of the city preserving Hollywood treasures since 1985.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A house built from trash known as the poor man's Hearst Castle.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

Private collection of art inspired by cabinets of curiosity.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

This infamous prison has a store where you can buy goods crafted by incarcerated people.

A store that sells all manner of bones, insects, and animal curiosities.

A large instrument played by the wind.

Dive bar built out of the remains of a whaling ship.

A 140-year-old castle with underground caves hidden in San Francisco.

One of the best absinthe distilleries in the United States.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A cave's rare beauty held a cavernous secret hidden underground.

A performance hall at the American Jewish University moonlights as a sci-fi film location set.

A Biblically-based Natural History Museum.