The Alcobaça Monastery
Founded in 1153 and built in stages over more than a century, the Mosteiro de Santa Maria de Alcobaça is the mother church of Portuguese Gothic architecture and the model from which all subsequent Portuguese religious building descends. The great nave - the longest in Portugal - is of a breathtaking Cistercian purity: soaring columns of pale limestone, no colour, no ornament, nothing to distract the eye or mind from the vertical ascent toward the vault and the light filtering through plain windows. It is architecture that achieves its effect through proportion, silence, and stone alone - and the effect is overwhelming.