Discover the beauty of Croatia, Serbia, Bulgaria, and Romania with a Danube River cruise from Croatia to the Black Sea. Spend one night in Zagreb before boarding your Avalon Suite Ship℠ bound for Belgrade, Serbia. Here, explore the city where the Danube and Sava Rivers meet. Cruise through the Iron Gates Gorge after visiting the fascinating Fortress of Golubač. Visit the amazing archaeological site of Lepenski Vir. Sail to Vidin, Bulgaria, to marvel at the re-markable rock formations of the Balkan Mountains in Belogradchik. See the incredible ancient architecture in Veliko Târnovo and Arbanassi, and take a guided tour of Constanta on Romania’s Black Sea—with a wealth of Roman history. Disembark your Suite Ship℠ and spend the night in Bucharest—the “Paris of the East.” See the WWI Arc de Triomphe and the Royal Palace Square, and spend free time browsing the shops and cafes of Victory Boulevard. A fascinating Danube River cruise through the beautiful Balkans.