World's largest collection of serial killer artwork and other macabre exhibits.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

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

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

A meditative space out of a fantasy story.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

A one-of-a-kind collection of a unique medium.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

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

A ghost town at the airport is now a refuge for blue butterflies.

Made famous by cable TV, this oddball collection of antiques and collectibles is a cut above the rest.

The overgrown ruins of a once thriving World War I-era copper mine.

The unbelievably opulent home built for an infamous newspaperman.

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

Wheels of chrome by the thousands adorn this California Historical Landmark.

Travelers exchange letters with woodland creatures at this mini post office.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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.

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

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

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The cobbled together compound of a deceased artist which now serves as a filming location.