The remains of Poggiodiana Castle, or Misilcassino Castle, of Ribera are constituted by part of the perimeter walls and two towers, a quadrangular portion and a cylindrical, 25 meters in height and about 30 meters in circumference, of particular interest for the characteristic crowning corbels. Developed in about 3000 m² with an irregular plan, from the north side svettava on a precipice of over 300 meters, at the foot of which flows the river vegetables, east one sees the village of La Ribera. The fortress was firmly closed by an alignment of internal manufactured high approximately 20 meters and reinforced by a second defense wall. From a door on the sixth acute reached a second courtyard, where insisted the guard post with the accommodation of squires and the armoury, and opened the magazines and the scuderia. From the courtyard, thanks to the stairs, you saliva on the upper floors, where the lords were staying in the large apartments.
The castle was built in the 12th century by the Normans in defense of small neighboring communities and land between the Platani (Eraclea Minoa) and Triocala (Caltabellotta), and known until the 14th century with the name saraceno of Misilcassino, i.e. place of descent on horseback. Granted to Maletta family, from these was inherited by Scaloro degli Uberti, who made himself guilty of perfidy you saw confiscate the castle that was given to Monterosso for subsequently passes to the Chiaramonte and Guglielmo Peralta. In the fifteenth century it passed into the possession of the Counts Luna, in memory of these changed its name to take finally the appellative of Castello di Poggiodiana in honor of the noblewoman Diana Moncada, daughter of the prince of Paternò Luigi Guglielmo Moncada and wife of Vincenzo Luna.
References:Towering 52 meters above the sea, Bengtskär lighthouse is the tallest one in Scandinavia. The building started in in 1905 after the shipwreck of S/S Helsingfors and was completed in 1906. The lighthouse was designed by architect Florentin Granholm. On December a special petrol lantern, designed and built in Paris, was brought to Bengtskär and installed atop the tower.
German fleet bombarded Bengstkär in the First World War in 1914. Since the Gulf of Finland was heavily mined, it was not until 1919 that the surrounding seas were declared safe for shipping, that the light was lit again.
After the war the military value of Bengtskär increased as part of the defence system of independent Finland. In Second World War (1941) Soviet Union made a suprise attack to island. After a bloody battle, the small Finnish garrison emerged victorious. Intermittent repairs to the facility continued during the post-war period.