A fortress, first recorded in 1080, organised by the marquesses of Genoa under the Holy Roman Empire, to defend the coast against Moor pirates.
Now in the heart of the Cinque Terre, and assaulted, not by Saracens, but by tourists.
Peregrinus lies on a mooring buoy, slightly to the left, off-camera. Photo taken from the 15th-century Doria Castle, an enlargement of the pre-existing fortress. 17 July, iPhone 6 Plus.