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

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

The haunting ruins of Jack London's dream house.

A world-class observatory in the California desert.

The ruins of the castle that chemicals built.

An optical illusion found amid a logged redwood forest.

The liveliest ghost town in the state.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A ruined hotel with an unlucky history and an eerie present.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

An extensive collection of ancient Egyptian artifacts and mummies.

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

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

One of the last free public hot springs is decorated with hippie art.

Hundreds of trees made from glass bottles make up this forest on Route 66.

A common entry point to the Griffith Observatory trail holds its own wonders.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A multimedia experience that chronicles the atrocities of racism.

The unbelievably opulent home built for an infamous newspaperman.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A modern day curiosity cabinet.