The castles in Sintra Portugal are unlike anywhere else; magical, mystical and colourful! Here's my guide to visiting the palaces & castles of Sintra, including Pena Palace, The Moorish Castle, The National Palace of Sintra and La Quinta da Regaleira. Enjoy these beautiful Fairytale Castles and Palaces in Sintra Portugal, an easy day trip from Lisbon or a wonderful place to spend the weekend exploring!