Explore Portugal with stays in Porto, the Algarve, and Lisbon, plus tours in the surrounding areas. For three nights, explore the coastal city of Porto, plus enjoy a day in the Douro River Valley. Then take the highspeed train south to Albufeira for three nights in the Algarve; soak up the sun and visit the famous Benagil Caves. To end your trip, take the train north to Lisbon for three nights. Discover Lisbon's rich history, plus enjoy an excursion to Sintra (a UNESCO city) and the beaches of Cascais.