The third-largest city in Austria, Linz is an interesting and important city in historical Europe. Once a part of the Holy Roman Empire, this area was later under the rule of Adolf Hitler and used as an important border point on the Danube River in World War II. Now, it is a transportation hub for Austria and surrounded areas and a fascinating place to visit. Tourist attractions of Linz include old-fashioned castles, cathedrals, and other important historical sites. A perfect destination for those interested in European history and culture. Linz is also known recently for its vibrant art and music scene and its annual "Linz Fest" festival which attracts many visitors. If you love history, art, or music, fly with Austrian Airlines to Linz and find some of the best of it today in this unique city.