An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle ... Experts plan to create a digital twin of the castle’s underground system ...

Leonardo often spent time at the castle during the late 1400s as a member of the court of Duke Ludovico Sforza, who commissioned the artist for a painting featured in the property’s Sala delle ...

Plan to spend 1-2 hours at Sforza Castle, depending on whether you visit the museums. At Cenacolo Vinciano, you’ll be allotted 15 minutes to view the main piece. Tip: To the north of the Sforza ...