This morning, Budget Travel's Editor in Chief Nina Willdorf sat down with TODAY's Hoda Kotb and guest host Willie Geist, to test viewers' knowledge of everything from national parks to summer destinations. First question: What's your best guess for Yellowstone National Park attendance in June? 200,000? 450,000? 700,000? Or three million visitors? Watch now for the answer to that, plus more fun travel trivia!