Today you may take an optional full day excursion to two small Bohemian Czech cities: Budweis, with its impressive town square featuring Gothic, Renaissance andbaroque buildings, and Ceský Krumlov, a UNESCO World Heritage Site. Founded bya Bohemian king in the 13th century,Budweis was for a time the royal brewery forthe Holy Roman Emperor, and beer remainsa major industry there. Founded at about thesame time as Budweis, Ceský Krumlov isknown for its unusually large castle, and is animportant cultural centre, hosting variousfestivals throughout the year. Or, join amorning walking tour of Passau’s ItalianateOld Town area, passing by the VesteOberhaus, a 13th-century fortress that servedas a bishops’ stronghold for several centuries.Enjoy a concert on Europe’s largest pipeorgan in St. Stephan’s Cathedral,† then relaxon board before dinner.† Passau organ concert not available after November 1.