b"ST. STEPHEN'S BASILICA, BUCHAREST AGGSTEIN CASTLE RUIN AND THE DANUBE RIVERBUDAPESTBELGRADETHE DANUBEThe Blue Danube flows from the Black Forest through to the Black Sea, travelling through four of Europe's most impressive capital cities along the way. The variety of history, culture and inspiring landscapes that line its route makes for a truly memorable holiday. Explore medieval Bucharest and Bratislava, as well as Imperial Vienna and Budapest, and enjoy a performance from Vienna's philharmonic musicians. Away from the Danube's riverside cities, experience stunning natural beauty with a boat safari along the Black Sea Delta, a visit to the Austrian Lake District and a cruise along the glorious Wachau Valley.SALZBURG THE DANUBE DELTA VIENNA46 47"