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

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

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

Venue for strange sideshow displays and musical acts.

One of the world's longest murals depicts the history of diversity in Los Angeles.

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

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Early prototype for Frank Lloyd Wright's Guggenheim.

Only hotel where you can legally launder money.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

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