A world-class observatory in the California desert.

The fossilized remains of ancient California redwoods.

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

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The famous animator's private station house and man-cave was the birthplace of imagineering.

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

This turn of the century masterpiece has a mysterious goaty interloper.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

An overlooked and unassuming engineering marvel.

Exotic feline breeding compound and conservation center.

A bigger-than-life pun that has become a beacon of altruism.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

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

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

The abandoned personal amusement park of the King of Pop.

One of the last free public hot springs is decorated with hippie art.

The unbelievably opulent home built for an infamous newspaperman.

One of the ghostly stops along Route 66.

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.