U.S. News Insider Tip: If you're driving yourself, there are several downloadable audio guides, such as those offered by Shaka Guide, that will point out sights to see and places to stop along the way ...

Samsung's global flagship for 2013 is thinner and lighter than the S III, yet packs in a larger display and battery. Other upgrades include a faster processor, 13-megapixel camera, super-sensitive ...