Savor enchanting vineyards, verdant landscapes, and tremendous cultural history on a river voyage through Portugal's Douro Valley, the birthplace of Port wine. As you embark on a round-trip journey from magical Porto, travel aboard the luxury riverboat , stepping ashore to explore timeless villages, tour remarkable collections at awe-inspiring museums, and sample world-renowned varieties. Indulge in the region's richly flavorful cuisine during private meals at vineyards. Cross the border to Spain for an exciting excursion to ancient Salamanca, UNESCO-listed for its extraordinary array of Romanesque, Gothic, Moorish, Renaissance, and Baroque monuments. Conclude with a full-day immersion in Porto's architectural diversity and stunning gardens.