This odd California folly seems like it was almost designed to accumulate urban legends.

Huge otherworldly domed rocks on the shore of a deadly lake.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

This sculpture garden in Death Valley makes you feel like you've slipped into some alternate reality.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

A B&B on a Victorian lighthouse station in San Francisco Bay.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

One woman's Viking Castle on Lake Tahoe.

One of few lasting examples of the brief octagon craze that developed into folly.

This (occupied) house is 10 feet wide and full of spite.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The overgrown ruins of a once thriving World War I-era copper mine.

A "haunted" landmark on the coast of Southern California.

Early prototype for Frank Lloyd Wright's Guggenheim.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

This abandoned boat was left in place thanks to its rotting beauty.

The show's fictional Korean medical camp was created in the Santa Monica hills.

Semi-recognized center of the world, with many oddities.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

Every year, over 25,000 monarchs overwinter in Pacific Grove.