Vezio Castle in Varenna is an ancient structure located on the shores of Lake Como. It is not known exactly when it was built, but it is believed to date back to a medieval period. It was originally used as a defensive structure and was part of a larger wall that protected the village. Today, the castle is open to visitors who can explore the watchtower, the dungeons and the remaining parts of the walls. The castle is surrounded by olive trees and offers a panoramic view of the lake and the city of Varenna.