The exit of the largest prisoner-of-war escape attempt on American soil during World War II.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

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

One of the largest trees of its kind in California.

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

Historic funicular railway, believed to be the shortest railroad in the world.

Hidden in one of the skyscrapers on Bunker Hill, this museum features an 1895 stagecoach and peers into California’s gold-lined history.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

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

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

This glamorous old building is said to have inspired the Tower of Terror.

The sun acts as a key that only fits this giant keyhole twice a year.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

Resting place of Hollywood's immortals is also site of summer film screenings.

The final resting place of a space program monolith.

The private clubhouse for the members of the Academy of Magical Arts.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A giant donut stands as a popular symbol of Los Angeles iconography.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

First LEED-certified gas station in the United States.

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