The Douro River

Portugal remains a popular getaway — and in 2020, it’s all about experiencing it from the water. Last spring, Viking River Cruises christened the Viking Helgrim, a vessel built for its new Douro itinerary. A few weeks later, AmaWaterways debuted the AmaDouro, which sails between Porto and Vega de Terrón in Spain. This year, Tauck [...]