The Visconti Castle in Cusago was built in the 14th century by Bernabò Visconti and used as a hunting lodge by the Visconti family, lords and dukes of Milan. The castle underwent significant changes in the Renaissance period. Today it is in a state of abandonment.
The castle of Cusago had been attended since 1369 by the court of Bernabò Visconti and after his removal from power in 1385 by his nephew Gian Galeazzo. Between 1425 and 1440 the Duke Filippo Maria Visconti devoted great attention to the castle and to the surrounding park. His mistress Agnese del Maino lived occasionally there. In 1438 a little canal (the naviglietto) was excavated to connect the castle to the nearby Naviglio Grande.
During the Ambrosian Republic (1447-1450) part of the buildings were demolished. The function of the castle as a country villa for hunting and parties was restored by Ludovico il Moro. In 1496 he hosted the emperor Maximilian I.
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.