Skipness Castle was built in the early 13th century by the Clan MacSween with later fortifications and other additions made to the castle through the 13th, 14th and 16th centuries. The castle was garrisoned with royal troops in 1494 during King James IV of Scotland's suppression of the Isles. Archibald Campbell, 2nd Earl of Argyll granted Skipness to his younger son Archibald Campbell in 1511.
During the Wars of the Three Kingdoms in 1646, the castle was besieged by forces under the command of Alasdair Mac Colla. During the siege, Alasdair's brother, Gilleasbuig Mac Colla, was killed in August 1646. The castle was abandoned in the 17th century. The Green Lady of Skipness Castle is said to haunt the location.
References:The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.