Invite your clients to spend two nights in the cosmopolitan capital of Lisbon, Portugal with a tour showcasing the famous sights of this remarkable city. En route to Porto, they will visit the pilgrimage site of Fátima and the university town of Coimbra. As the expert staff of the Emerald Radiance navigate a path through Portugal’s enchanting countryside, travelers can take in the dramatic Douro River Valley, including terraced vineyards rise from the river banks, historic landmarks that pepper the distant horizons and charming towns that lay hidden in the rural hillsides. From Spain’s walled city of Salamanca to the charming baroque village of Lamego, your clients will enjoy a new perspective of Europe as they sail along the Douro with Mayflower.