A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

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

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Known as the "Hobbit Houses," these storybook homes look like they're straight out of the Shire.

Rainbow-hued local gem in Venice.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Rare collectibles from automated musical instruments to 250 unique automobiles.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

This vintage car parts store is also a museum devoted to a squat little gem of automotive history.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Abandoned anti-ballistic missile base.

World War II-era Nazi compound nestled in the Santa Monica hills.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

The quiet canyon has a tumultuous history involving a doomsday cult.