Crystal Cruises 7-night Wonders of the Danube CruiseMar 31st, 2019 - Contact us for pricing Toggle navigation DetailsOverviewDestinationsItineraryCruise ProgramsDates & Destinations Cruise ItineraryDay #1: Budapest Day #2: Budapest Day #3: Bratislava Day #4: Vienna Day #5: Vienna Day #6: Krems Day #7: Melk Day #8: Linz Day #9: Linz