Explore 10 acres of environmental sculptures.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

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

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A strange house built only at night, with rumored mystic inspiration.

A library of rare occult books in Los Angeles.

Olfactory delights in San Francisco's Botanical Gardens.

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

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Towering basalt columns, a creation of fire and ice.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The rocks in this arid basin leave trails of movement behind them.

The only theatre in the world constructed specifically for sound movement.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.