On the banks of the Tagus River, Francisco de Arruda constructed the famous Tower of Belém around 1514, also known as the Tower of St Vincent, patron of the city of Lisbon, which commemorated the expedition of Vasco da Gama and also served to defend the port of Lisbon. The cross of the Knights of Christ is repeated indefinitely on the parapets of this fortress, while the watch towers that flank it are capped with ribbed cupolas inspired by Islamic architecture.
Added to UNESCO World Heritage list in 1983.