Uncover Portugal's enthralling art, architecture, and UNESCO-listed wine heritage on this exclusive Douro River cruise. From the enduring Roman legacy to the Moorish-influenced azulejo tilework, medieval castles to contemporary art and architecture, expert guides will unveil the region's best-kept secrets. At the Museu de Arte Contemporânea de Serralves, discover contemporary masterpieces by notable artists such as Cindy Sherman and Joan Miró. Across the Spanish border, visit the UNESCO-listed city of Salamanca, and admire Plaza Mayor, an elegant 18th century town-square. In Sabrosa, enjoy a wine tasting and cellar tour at Quinta do Portal, a family-owned boutique winery with a commitment to sustainability and top-shelf spirits dating back centuries.