Former summer residence of the kings of Portugal. Today it is owned by the Portuguese state which uses it for tourist and cultural purposes. Its construction began in the 15th century, although an old structure from the Muslim period was used. Inconspicuous looking from the outside. Interesting interiors. It is worth seeing, interesting collections of art, furniture, and utility items related to the history of Portugal. Inscribed on the UNESCO National Heritage List. Beautiful, it is worth visiting the interior of the palace, and the town itself is also very charming.