This is the Capo Miseno Lighthouse!
The shot is taken through the "window" of an old military checkpoint!
Over the hill in fact there was, during the second world war II, a German artillery emplacement now ruined!
But the soldiers never shoot a shell....they were lucky and spent all the war in this place like in a holyday.

Cropped the image. Equalized the channels in the levels command. Increased saturation 15% and sharpened with USM, .3, 200%. Hope you like it, Don