Plane Castle near Stirling, a 14th century fortress visited by royals including Mary Queen of Scots and Bonnie Prince Charlie ...

Louis Van Oeyen/Getty Images; AP Spread across two medieval-inspired castles, the home sits on ... restoring its six bedrooms, seven full bathrooms and four kitchens. Wright Bros.

Carbisdale Castle in the small Highlands village of Culrain was bought by a London investment firm in 2016 from the Scottish Youth Hostel Association, who had owned the site since 1945. Once dubbed ...