Combine the serenity of Portugal’s Douro Valley with the sun-drenched shores of the Mediterranean on an unforgettable European journey. Cruise through the world’s oldest demarcated wine region, passing terraced vineyards, historic villages and picturesque riverside towns before continuing to Barcelona. Here, board the ultra-luxury Seabourn Ovation and sail across the Mediterranean, taking in the glamour of St. Tropez, the dramatic Amalfi Coast and the historic cities of Rome and Valletta before concluding in Dubrovnik.