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.

The largest collection of two headed animals in the world.

A black and white mural stands out from its psychedelic surroundings.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

Abandoned anti-ballistic missile base.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

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

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

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

Large but largely ignored, these 42 life-size Liberty Bell replicas were a peculiar, unexplained feature on the facade of a Macy's department store.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

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

You don't want to get caught in this trap--or do you?

The mysterious, untimely death of a Canned Heat band member still haunts this unfinished home.