Corullón Castle dates from 15th century. Its tower was copied to build a similar one in Tuscany (Italy). Today, the tower and the surrounding ruins are still preserved. The best place which has been preserved is the Tower of Homage. On its entry point, two armorial bearings mark both houses, Osorio´s House and Valcarce´s House. It is a squared tower with three storeys, separated by imposts, battlements, modillions, meurtrières, and the remains of a great nave in tree sections. Its construction is from 15th century and it belonged to Alvarez Osorio until 1486, and then to Álvarez de Toledo.
Currently, the castle belongs to the Marquises of Villafranca´s descendants who restored it some years ago.
References:Doune Castle was originally built in the thirteenth century, then probably damaged in the Scottish Wars of Independence, before being rebuilt in its present form in the late 14th century by Robert Stewart, Duke of Albany (c. 1340–1420), the son of King Robert II of Scots, and Regent of Scotland from 1388 until his death. Duke Robert"s stronghold has survived relatively unchanged and complete, and the whole castle was traditionally thought of as the result of a single period of construction at this time. The castle passed to the crown in 1425, when Albany"s son was executed, and was used as a royal hunting lodge and dower house.
In the later 16th century, Doune became the property of the Earls of Moray. The castle saw military action during the Wars of the Three Kingdoms and Glencairn"s rising in the mid-17th century, and during the Jacobite risings of the late 17th century and 18th century.