Join thousands of others who have signed up to the weekly Scotland Now newsletter for the latest Scottish heritage and culture news.With its beautiful island setting and weathered grey walls, it's one of Scotland's most instantly recognisable castles.And during its lifetime, Eilean Donan Castle played its part in Viking invasions, Clan wars and Jacobite uprisings.Situated on an island at the point where three great sea lochs meet, the castle has held a strategically important place in the plans