Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Once the gateway to the utopian dream-village of a Civil War embalmer.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

A creepy steel gremlin has protected the Bay Bridge since 1989.

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

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

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

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

A cobblestone alley with an interesting past.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

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

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

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

Oldest building in California still in use.

One woman's Viking Castle on Lake Tahoe.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The most isolated mailbox in America lets desert travelers record their passing.