https://3speak.tv/watch?v=orestistrips/ylmkfwue
This seems to have been built by an antiquarian professor named Antonio Bressa, I assume sometime in the 60s from what I've seen in there. It is in a private property but has been extensively vandalised unfortunately. Still impressive though with amazing view.
Location: https://goo.gl/maps/rZiaSt2pVR9iKbK56