Norman-Swabian Castle, Salemi, Trapani, Sicily, Italy, Mediterranean, Europe

salemi trapani sicily italy architecture medieval castle cylindrical tower stone walls historical site tourism mediterranean europe ancient fortification scenic view cloudy sky heritage site cultural landmark outdoor landscape landmark travel history picturesque castle walls sicilian culture local history fortress stone architecture tourist attraction beautiful scenery unesco ancient ruins exploring mountain backdrop famous sites visiting sicily breathtaking views nature preservation historical architecture unique structures italian history travel destinations historical monuments sightseeing castle views ancient architecture medieval history hilltop castle serene landscape