Nationwide network of co-ownership underground catastrophe shelters.

Burping, gurgling geothermal mud pots by the Salton Sea.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

From sax to spuds, get 'em all at this landmark music establishment.

The most beautiful Taco Bell in the world even has surfboard parking.

An antique store houses the last operational diner from the defunct department store chain.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

International delicatessen has been owned and operated by the same family for more than 110 years.

An alley covered with 20 years of bubble gum.

The California capital city once stood 10 feet lower than it does today.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

Haunting and beautiful trees, doomed to die.

Friendships have been forged over ham and eggs every Wednesday morning for nearly a century.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

A creepy steel gremlin has protected the Bay Bridge since 1989.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

One of few lasting examples of the brief octagon craze that developed into folly.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

A "haunted" landmark on the coast of Southern California.