World War II was a world-spanning conflict that engulfed dozens of countries, a maelstrom that dragged whole nations, religions, and millions of people to their deaths. But it was fought with more than merely guns and machines... Even before the War was begun in earnest, Nazi Germany had sent expeditions to the darkest hiding places of the world: to shadowed Africa, to the towering peaks of Tibet, and even to the frigid wastes of Antarctica. Their...