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

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

Come for the records, stay for the retro pinball machines.

Despite being a perfectly pleasant place to be, Loyalton can't seem to attract any visitors.

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

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

Where the writer penned his famous story about a jumping frog.

Its dark depths conceal millions of rare, delicate crystal formations.

A huge collection of rocks, gems, and crystals.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

Downieville's largest Gold Rush structure still standing has one of the longest bars in California.

The tiniest tiki room in San Diego.

A couple turned their front yard into an artistic masterpiece.

A macabre tour of Hollywood’s deadly history.

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

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

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

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

One of the best collections of antique printing machinery in the world.

Gnomes have their very own bonsai-landscaped settlement on a university campus.

Catch a glimpse of the elusive Peninsular bighorns right off of the desert freeway.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.