Thanks to DNA research, the Basques of the Pyrenees Mountains are no longer the "mystery people." Thirty-five thousand years ago, they traveled from Central Asia to Western Europe, where they still live, speaking a language unlike any other. After helping Columbus discover America, Basques spread out from the Pampas to California and beyond into the Sierra and Reno, Nevada. For a century, they were the sheepherders of the West and documented their...