Commonly referred to as the most photographed Victorian home in the United States.

An overlooked and unassuming engineering marvel.

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

A common entry point to the Griffith Observatory trail holds its own wonders.

One of the last free public hot springs is decorated with hippie art.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

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

The unbelievably opulent home built for an infamous newspaperman.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

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.

The abandoned personal amusement park of the King of Pop.

Exotic feline breeding compound and conservation center.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The site of murders and Satanic cult gatherings.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

San Diego's most historic and haunted home.

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

The remains of a ruined mansion memorialize the 1906 earthquake.

The remains of the first punk club in L.A.

In this century-old literary safehouse, print is alive and well.

A 300-ship graveyard, with a few still visible at low tide.