Aerial view of the Palacio da Pena or Castelo da Pena in Sintra, Portugal. The Palace dates back to 1839 when the King Consort Dom Fernando II fell in love with the area and bought the property which contained the ruins of a monastery to adapt it for use as a summer residence. The eventual palace has a mixture of eclectic styles that exhibits neo-Gothic, neo-Manueline, neo-Islamic, neo-Renaissance, among other styles.