Once the central jail for Los Angeles, this building housed inmates like Al Capone, those arrested from the Zoot Suit and Watts Riots, and individuals imprisoned for their sexuality.

French prisoners carved these boats from the bones of their meat rations.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

World War II-era Nazi compound nestled in the Santa Monica hills.

America's most famous piece of self-built architecture.

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

The home of one of California's most important horticulturalists wilts amidst a lovely park.

A music-filled, booze-soaked oasis in the desert.

Explore 10 acres of environmental sculptures.

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

A former utopian healing center created by a huckster and built by derelicts.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

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

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A reproduction of earth's many biomes.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Shop selling 500 flavors of soda has something for everyone.

A one-of-a-kind collection of a unique medium.