This giant temperature attraction created some giant electric bills.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

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

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

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

A unique collection of old miners' cave homes carved in to the hillside cliffs near Death Valley.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An assortment of armored tanks and Howitzer cannons in the middle of the Sonoran Desert.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

The headquarters of a secretive order is also a beautifully-designed park.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

An art collective teaching the more fiery, metal-y art forms.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

Oakland's beautiful monumental cemetery.

This giant shopping mall still holds signs of its automotive past.

The headquarters of the semiconductor giant has a 10,000-square-foot museum.