 Campo PequenoPrevious Image | The National Sintra Palace The Palácio Nacional de Sintra (National Sintra Palace), dates back to the XVth century. It was used as a Summer residence by the Royal Family, as was the Palácio Nacional da Pena, until close to the end of a Monarchical State in Portugal, in 1910, when it was declared a National Monument. Today, it is used by the Portuguese State for culture and tourism, having been the Palace that registered the biggest amount of visitors in 2008 (408,712 visitors). |  Convento do CarmoNext Image |