The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Oldest building in California still in use.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

A second generation sun-powered marvel lights up the night.

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.

Where the leftovers of love affairs can live on forever.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

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

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Sports history, made in the Arroyo Seco.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

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

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 hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

A Masterpiece with a Tragic History.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Where the rich wintered in Pasadena.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

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