The Rhine, Danube, and Rhone Rivers dominate river cruising itineraries, but Portugal’s Douro River is equally impressive.
Avalon Waterways is the latest river cruise line to launch sailings on the Douro. The Denver-based brand on Thursday unveiled its first vessel on the vineyard-lined river in Portugal, which has ...
The vast majority (83%) of the country's reservoirs have water above 80% of their capacity, with almost all river basins on ...