Abandoned bridge hidden deep in the San Gabriel Mountains.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

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

Explore 10 acres of environmental sculptures.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Canyon walls shrouded in ferns.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

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

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

San Francisco's newly reopened hands-on science museum.

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

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A museum befitting the city responsible for supplying the majority of the world's LSD.