The Cathdral was constructed between the 11th and
the 17th centuries.
Only the cloister and part of the tower of the original Romanesque building have been preserved (11th century).
The apse and the ambulatory corresponds to the initial traces of the temple with three naves which was later changed to the present single nave which is the widest Gothic nave in the world.
The interior contains numerous works of art such as the reredos and silver altar canopy (14th century), Gothic tombs and baroque altar paintings.
The renowned Tapestry of the Creation (15th century), the Beatus (10th century), and a rich collection of medieval gold and silver works are exhibited in the Capitular Museum.