A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

Canyon walls shrouded in ferns.

Explore 10 acres of environmental sculptures.

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.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

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

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Its buzzing collection honors vibrator history.

Venue for strange sideshow displays and musical acts.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

A winding path built in secret on the edge of the continent.

Towering basalt columns, a creation of fire and ice.

This shop specializes in oddities and Victorian-inspired wonders.

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

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

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The ghostly remains of an accidental sea.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A psychedelic labyrinth on the San Francisco bay.

A 140-year-old castle with underground caves hidden in San Francisco.