Our expert's pick of the top 5 cruise holidays to Portugal in 2015, including luxury cruises, river cruises and no-fly cruises to the Algarve, the Douro River and Madeira
"Portugal’s River of Gold", Viking River Cruises' itinerary from Porto to the Spanish border showcases the Douro region of northern Portugal, capturing the essence of its people, history, culture, and gastronomy.