Best for: Art, architecture, history, music, museums, restaurants, cafés and bars
Why go: Visit some of the most vibrant, culture-rich cities in Europe, full of history and atmosphere
Route: Bregenz; Innsbruck; Salzburg; Linz; Vienna; Graz
Bregenz, the capital of the state of Vorarlberg, hugs the shore of Lake Constance. It's a small city with an international feel, top-notch cuisine and stacks of charm. Pay visits to the Vorarlberg cultural museum, the equally striking Kusthaus Bregenz art museum, and the impressive St Martin's Tower (Martinsturm) in the Old Town, then finish by the lakeside watching the setting sun. And don't miss the Bregenz festival in July/August – it has world-class opera performed on a floating