The world's oldest optical museum is an odd collection where the exhibits look at you.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

Delve into a wealth of oddities, antiques, and taxidermy treasures.

This magnificent mausoleum is as much a work of art as it is a historic resting place.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

A basement full of treasures lies beneath this inn that has worn many hats throughout its 140+ years.

This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

Every weekend, the parking lot of this Buddhist temple turns into a Thai street-food paradise.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.

This vintage car parts store is also a museum devoted to a squat little gem of automotive history.

Formerly Fire Station No. 27, the museum is a hidden gem in the heart of Hollywood.

A macabre tour of Hollywood’s deadly history.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

Rare collectibles from automated musical instruments to 250 unique automobiles.

One of the world's largest collections of rare and magnificent bird specimens.

Shop selling 500 flavors of soda has something for everyone.

"The Star Factory" cranked out Hollywood stars like nobody's business.

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

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