In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

The "Kill Bill Church" was transformed into a place of worship after a long Hollywood history.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

A 250 million-year-old rock formation has earned a rather unique nickname.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A large sculptural artwork and garden in Escondido, California.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

An inconspicuous footbridge beloved by San Diego locals.

A couple turned their front yard into an artistic masterpiece.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

You don't have to be a diplomat to visit the so-called Camp David of the West.

America's most famous piece of self-built architecture.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

"Only the devil could play golf here."