Hit the "Click here" button on the landing page to get a promo code for $400 off per person. Discover Portugal with two nights at the Marques de Pombal Hotel in Lisbon, followed by a five-night Douro River cruise aboard the MS Douro Cruiser. Explore Lisbon's historic neighborhoods on an included guided tour before taking the train to Porto to begin your cruise. Sail through the scenic Douro Valley, stopping in Entre-os-Rios and Régua, where you'll visit a traditional quinta for a guided wine ta