river cruising grand european cruise 25 days | 2026-2027 vienna, amsterdam, köln, nürnberg, budapest, regensburg explore stunning european landscapes like never before on this river cruise between bucharest and amsterdam! journey nearly all the way from the black sea to the north sea as you set off on a grand 3-week cruise through nine european countries, plus three nights at a city-center hotel in bucharest. expand from $14,690 ? from price, per person price shown is the lowest price per person, double, on most journeys. view tour compare