Insider advice on avoiding the crowds as you explore some of Portugal's greatest gems, from Lisbon's Alfama to the beaches of the Algarve, and from the Pal cio Nacional de Sintra in Sintra to the Quinta Palmeira Gardens in Madeira. Plus tips for navigating the country's lovely but less-traveled corners, like Tr s-os-Mantes, the Minho, and even The Azores.