"Pull over here, Ya right there," my copilot yelled, and so with a quick jab to the brake pedal and a screech of the tires, I whipped our trusty '89 Landcruiser, off the side of the desert highway, to an abrupt halt. "Check that out mate!" Exhausted and a bit delirious from the countless hours of staring at nothing but cacti and granite boulders, I rubbed my eyes to make sure that I wasn't simply seeing a figment of my imagination. After all we were in the middle of the Baja