From Bordeaux's storied chateaux to the Douro's port country, Europe's great wine regions happen to sit along some of its most scenic rivers. These six itineraries turn that geography into a glass-by-glass tour of the continent's finest appellations — and choosing the right one depends entirely on how deep into wine culture you want to go.

Scenic Group has unveiled its new Wine Group Program, created especially for wine lovers and travel advisors to design tailor-made group journeys.