fortification Peniche talks about its strategic importance throughout history since Roman times is mentioned in a battle that pitted Julio Cesar with a Lusitanian refugees at the former island of Peniche. This importance becomes even greater with the union of the island to the mainland by a line of dunes in the fifteenth century is one of the largest ports in the country. In the mid-sixteenth century began the work of fortification by building called circular bastion, in order to avoid the constant attacks by North African pirates. In more recent times the fort served as the internment of political prisoners of the dictatorship of Salazar in the years 1934-1974 and the subject of one of the most talked about leaks, when the Communist Alvaro Cunhal and ten other companions managed to climb down by the cliff and reach the swimming beach. Today the fort serves as the headquarters of Peniche Municipal Museum.
