cruise & rail: grand alpine & the enchanting danube (2026) passau to venice | 15 days embark on a river cruise down the shimmering waters of the fabled danube river, where our locally-based destination experts will take you well beyond the “must-sees” of each region,... ship: s.s. maria theresa countries: germany, austria, slovakia, hungary, switzerland, slovenia, italy river: danube from $25,098 per person view itinerary dates & pricing