Nationwide network of co-ownership underground catastrophe shelters.

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

Remnants of the United States's largest accidental oil spill still mar a California valley.

In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

Salt is slowly eating away this abandoned saltworks town in the desert.

A museum dedicated to the decorative arts from the 16th through 19th centuries.

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

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

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

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

This house is a mosaic of tiled artwork sourced from local artists.

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

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

Abandoned hotel with adjacent lake and golf course.

Everything you always wanted to know about borates is here.

Its vast collection details the history of this Santa Barbara beach town.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

Hundreds of trees made from glass bottles make up this forest on Route 66.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Abandoned Air Force base that has fallen into disrepair.

This stately structure has been abandoned for half a century.

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

The last Americana on Route 66.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.