Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

The largest permanent Monopoly board makes one of the longest games even bigger.

The final resting place of a space program monolith.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This glamorous old building is said to have inspired the Tower of Terror.

A modern mechanical planetary system, part of a 10,000 year clock.

An essential stop before plundering, BYO Cutlass.

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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A psychedelic labyrinth on the San Francisco bay.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Colorful Native American paintings are hidden within this small cavern.

The former Naval shipyard is open for exploring - mostly.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

One man's prolific, decade-long quest to turn trash into artistic treasure.