Located in the Cathedral itself, its route can enjoy the one hand, of architectural spaces invaluable, for example, the Senate, the Treasury, the Chapel of the Relics, the Chapterhouse or the Crypt of the Portico of Glory ; and, secondly, of important vestiges of the cathedral and past collections: sculptures, paintings, jewelry, coins, textiles, etc. In addition, the Museum organizes visits to the decks of the cathedral, archaeological excavations and Portico of Glory, which, have limited places, are regarded as independent activities. All this makes him undoubtedly among the most beautiful and important museums of Galicia.