Will Geer's outdoor theater started as a mountain retreat for actors, musicians, and other artists who were blacklisted during the Red Scare.

A house built from trash known as the poor man's Hearst Castle.

This public Skyspace created by artist James Turrell for his alma mater puts on a show every day at sunrise and sunset.

Two groundbreaking brothers from Pasadena.

This jagged colossus of a building is mostly held together by an enormous concrete exoskeleton.

A 90-acre park on former landfill that hosts an annual kite festival.

One of Hollywood’s favorite government buildings.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

An off-grid art installation that encourages its visitors to imagine a world without waste.

The Mighty Wurlitzer organ continues to belt out the tunes at downtown El Segundo's historic home for silent and classic movies.

Raised illegally, Reggie now lives at the Los Angeles Zoo after authorities spent years tracking him down.

A historic fort commemorating the United States' naval history.

This giant temperature attraction created some giant electric bills.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

Version of the French Riviera destroyed by the sea.

A cobblestone alley with an interesting past.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The headquarters of a secretive order is also a beautifully-designed park.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Get up close to emus and ostriches, or buy their tasty meat.

A fake town founded by Western movie stars is now becoming a hip desert community.

An optical illusion found amid a logged redwood forest.