Save $1500 when you book by October 31st, 2025! - Capture the imperial history of Old-World Europe along the Danube River as it flourished beneath towering fortresses and inspired legendary artists and musicians. Throughout your journey you will visit the river’s legendary capitals: Budapest, Bratislava and Vienna – the city of waltzes. Encounter fascinating architecture and historical museums, including Vienna's Liszt Museum and magnificent Schönbrunn Palace. Plus, follow The Sound of Music through sprawling Salzburg, the incomparable birthplace of Wolfgang Amadeus Mozart.