Discover Portugal. Arrive in Lisbon for sightseeing the Alfama and Jeronimos Monastery. Visit the National Park in Bucaco Forest. Oporto, Portugal's second largest city, is home to churches, the stock exchange, and Arabian Hall which was inspired by Spain's the Alhambra. Drive by the Mateus rose wine area or the Douro Valley, home of the port wine grapes. Take in the Serra da Estrela mountain range on your way down to the Algarve Coast to watch the waves of the Atlantic Ocean, shop, and dine in one of its famous seafood restaurants. On your way back to Lisbon, take the scenic route over the Serra da Arrabida for sweeping views of the Troia Penisula while recalling the wonderful time you have spent exploring Portugal.