In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

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

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

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

A living museum dedicated to the legendary woodworker and his soulful furniture.

This large collection of tiny things revels in the art of fine machinery well made.

A small sculpture garden that provides a microcosmic representation of California.

A world-class observatory in the California desert.

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

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

An offbeat angle on the ocean viewed through an antiquated lens.