Ancient human, animal, and geometric figures drawn in the earth.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

The mysterious round rocks of Schooner Gulch.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A common entry point to the Griffith Observatory trail holds its own wonders.

The location of the last stand of Charles Manson's doomsday cult.

The haunting ruins of Jack London's dream house.

"Only the devil could play golf here."

A house built from trash known as the poor man's Hearst Castle.

The ruins of the castle that chemicals built.

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

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

Gold Rush-era tombstones line the park's paths.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A popular tourist cave with a dark past.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

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

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

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

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.

A large instrument played by the wind.

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

A ruined hotel with an unlucky history and an eerie present.