Pena Palace, hilltop Romanticist castle in Sintra, Portugal

pena palace sintra palacio da pena portugal castle palacio lisbon panorama palace aerial view medieval hilltop aerial fortress wide shot landmarks romanesque picturesque moorish unesco middle ages heritage hill famous place world heritage site national monument tourism scenic idyllic architecture landscape destinations gothic green mystery yellow red travel romanticism eclectic outdoors horizontal no people colourful forest journey romanticist nature tree