The seat of Clan McDuck thumb|right|250px|McDuck Castle in The Old Castle's Other Secret or A Letter from Home (2004) by Don Rosa.
The SEaT of clAn mcduck ThumB|Right|250px|McdUck castlE in thE OLd castle's oTheR secrEt oR A lEtter fRom homE (2004) by DOn ROSa.