So you think you're a big-stick driver, huh? You laugh at 600-yard par 5s; your ball's still going up when it hits the treeline at your local driving range. Saddle up, chief, because the greatest longball challenge in the world now awaits you: Nullabor Links in Australia, a course that stretches nearly 850 miles.Yes, you read that right -- miles. Or, if you prefer, 1,365 kilometers, whichever sounds easier. A round at Nullabor takes at least a week and takes you through two of Austral...