J. Gafarot's photos with the keyword: fortress

Fortress, outside wall. In 1513, with the support of Queen Leonor, monks from the Order of São Jerónimo established a settlement on the island to offer assistance to navigation and victims of frequent shipwrecks. Please see Wikipedia.org/Berlengas

Fortress of St. Filipe, protecting the mouth of the river Sado in Setubal, built in 1526, today is a good Hostel.

The islands are referred to in Ptolemy's Geography as Λονδοβρίς (Londobris). Much later it was referred to as the island of Saturno by Roman geographers. In 1513, with the support of Queen Leonor, monks from the Order of São Jerónimo established a settlement on the island to offer assistance to navigation and victims of frequent shipwrecks. Please see Wikipedia.org/Berlengas