Sightsee over the Mafra National Palace, a UNESCO World Heritage site that blends Baroque excess with royal devotion. The Mafra National Palace which also served as a Franciscan friary, build on the 18th century. This vast complex, largely built of Lioz stone, a type of limestone, is among the most sumptuous Baroque buildings in Portugal and at 40,000 m2, one of the largest royal palaces. The palace was built symmetrically from a central axis, occupied by the basilica, and continues lengthwise through the main façade until two major towers. The structures of the convent are located behind the main façade. The building also includes a major library, with over 30,000 rare books, it’s one of Europe’s largest collections. The facade is 220 meters long. The whole complex covers 37,790 m2 with about 1,200 rooms, more than 4,700 doors and windows, and 156 stairways.