Visitors may see down to Lake Constance and across the Rhine Valley from the castle of Burg Hohenbregenz on the Gebhardsberg and the Pfänder (the local mountain), marvel at contemporary works at the Kunsthaus, enjoy a boat trip on Lake Constance and take the obligatory souvenir photo against the backdrop of the festival stage. Our list of things to do in Bregenz is long – here’s an overview of the highlights.