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

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

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

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

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

The haunting ruins of Jack London's dream house.

An optical illusion found amid a logged redwood forest.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

Commonly referred to as the most photographed Victorian home in the United States.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

The remains of a ruined mansion memorialize the 1906 earthquake.

A former utopian healing center created by a huckster and built by derelicts.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

The abandoned personal amusement park of the King of Pop.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

A modern mechanical planetary system, part of a 10,000 year clock.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.