Start at the Furnace Creek visitor center in Death Valley National Park. Drive 50 miles north on pavement, then head west for another 30 miles on bone-rattling gravel roads. During the drive—which ...

Deep within the unforgiving expanse of the California Desert lies Death Valley, home to one of the world's greatest enduring geological mysteries: the famous Sailing Stones of Racetrack Playa. For ...

For more than a century, visitors to a remote California lakebed have stared at long, ruler-straight tracks etched into the mud and wondered how heavy boulders could apparently glide on their own. The ...