Tavigny Castle dates to th late Middle Ages, and it may have been only a refuge tower that is now the central part of the castle. Its walls are long 10 meters, thick 2 meters and they had plenty of arrow slits. The lordship of Tavigny belonged at first to a family who wore already its name, but in 1360, it was already owned by the Ouren family, a powerful Middle-age family from the dutchy of Luxembourg. The central tower that was enclosed in walls with round towers in the corners got transformed little by little in a seignorial residence. The narrow windows and the arrow slits got substituted by large great picture windows and they made a very nice Louis XIII style ensemble
References:The Broch of Clickimin is a large and well preserved, though somewhat restored broch near Lerwick. Originally built on an island in Clickimin Loch (now increased in size by silting and drainage), it was approached by a stone causeway. The water-level in the loch was reduced in 1874, leaving the broch high and dry. The broch is situated within a walled enclosure and, unusually for brochs, features a large 'blockhouse' between the opening in the enclosure and the broch itself. Another unusual feature is a stone slab featuring sculptured footprints, located in the causeway which approached the site. Situated across the loch is the Clickimin Leisure Centre.