Megachurch turned Catholic church comprised of 10,000 glass panes.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

One of the most unusual geological features, recognizable from a dozen hit movies.

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

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

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

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

A former utopian healing center created by a huckster and built by derelicts.

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

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

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

Acres of natural wonders left behind by a socialite-turned-gardener.

This private residence was the template for one of the most beloved television homes of all time.

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

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

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.

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.