b"ST. STEPHEN'S BASILICA, BUCHARESTBUDAPESTTHE 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 along the way makes for a truly memorable holiday. Explore medieval Bucharest and Bratislava, as well as Imperial Vienna and Budapest, and enjoy a performance by musicians from the Vienna Philharmonic. Outside the Danube's cities, experience stunning natural beauty. Get back to nature with a boat safari along the Black Sea Delta, UNESCO-listed wetlands home to over 300 species of birds, discover the scenic Austrian Lake District and sail along the glorious Danube Bend.SALZBURG THE DANUBE DELTA48"