This print shop boasts one of the largest pinball arcades in San Francisco.

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

A beloved carnival gets a modern makeover in Los Angeles.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

An eclectic trailer park retreat in the middle of the California desert.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

A storybook European village in Berkeley.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

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

The unbelievably opulent home built for an infamous newspaperman.

A multimedia experience that chronicles the atrocities of racism.

With the touch of a button, you can read a randomly selected short story.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

This massive redwood tree has a hole in the base big enough to drive through.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.