The home of one of California's most important horticulturalists wilts amidst a lovely park.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

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

The liveliest ghost town in the state.

This impressive tunnel was dug entirely by hand over the course of 36 years.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

This strangely vacant Western amusement seems to be an empty tribute to residents of Lucerne Valley.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Abandoned hotel with adjacent lake and golf course.

Thousands of turbines whir at at the origin of North American wind power.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

Oldest building in California still in use.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

Mexican food and folk art.

Rusty industrial city full of oxidized distillation towers.

This California tree is the single source of the state's entire orange industry.

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

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

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

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

The private clubhouse for the members of the Academy of Magical Arts.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.