Starting in Argentina, Contributing Editor Aaron Frank made the 14,000-mile expedition — which spanned 11 countries and 16 borders — back to the U.S. This journey was packed with so much adventure we could only fit Part 1 into this edition, so enjoy the beginnings of this wonderful trip. This magazine also includes a search for American sport-cruiser supremacy and the story behind the BMW R90S. Make sure to check it out!