See Bucharest’s 3,000-room Palace of Parliament. Make banitsa bread with a home cook in Vidin. Explore Belgrade’s Ottoman and European treasures, including the 6th-century Kalemegdan Fortress. View the Danube’s towering Iron Gate. Witness Hungary’s daredevil Puszta horsemen. Behold Budapest’s grandeur. Once hidden behind the Iron Curtain, the eastern Danube still has secrets to reveal on this enriching cruisetour.

A limestone church with a gold cross in an old fortress
A view from above of the Belogradchik Rocks
A historic fortress on the edge of the Danube River