This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

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

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

America's most famous piece of self-built architecture.

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

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

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

An iconic location along the Los Angeles River where countless movie scenes are filmed.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

A Masterpiece with a Tragic History.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

The American Home, Re-imagined.

One of Hollywood’s favorite government buildings.

A newspaper building that made radio history.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.

This former stomping grounds of the most eminent astronomers of the early 20th century.

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

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

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

A relic from a forgotten bakery chain still spins atop a diner.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.