Sintra is one of the most spectacular places in Portugal. Attractions include the famous Palácio da Pena (Castelo da Pena) from 19th century which is the most complete and remarkable example of Portuguese architecture in the Romantic period. Another highlite of the area is the Castelo dos Mouros reconstructed 19th century with an extraordinary view of the Sintra-Cascais Natural Park, and the summer residence of the kings of Portugal Palácio Nacional de Sintra, which was build in 15th/16th century in the town. The Sintra Mountain Range (Serra de Sintra) as one of the largest parks in the Lisbon area is also a favorite tourist spot. As Sintra is close to capital Lisabon, it has become a major tourist attraction for a day trips.
The oldest architecture at Sintra, the Castelo dos Mouros was built in the 8th century. In 1147, Sintra was captured by Afonso Henriques and much of the castle was destroyed. Only remaining parts were four square towers, the battlements, and the ruins of a Romanesque chapel.
The most famous palace of Sintra, Hieronymite monastery of Nossa Senhora da Pena was built in 1507 by Diogo Boitac. The current Palace design dates back to 1839, when the King Consort Dom Fernando II of Saxe Coburg-Gotha bought the ruins of the Hieronymite Monastery of Nossa Senhora da Pena and reconstructed it as his residence, according to his Romantic taste.
The town is listed under UNESCO World Heritage Site on account.