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

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.

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

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

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

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

Venue for strange sideshow displays and musical acts.

A one-of-a-kind collection of a unique medium.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

This shop specializes in oddities and Victorian-inspired wonders.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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

A psychedelic labyrinth on the San Francisco bay.

Shop selling 500 flavors of soda has something for everyone.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A grove of "candelabra redwoods" deep in California's Lost Coast.