Once the future of underwater combat, this old sub is now open for visitors to muck around in.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

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

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The blinking light atop the iconic landmark has been sending secret messages for decades.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

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

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

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.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

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

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

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

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

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

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

The final resting place of a space program monolith.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

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

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

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