Sforza Castle, Leonardo Da Vinci

Ground scans beneath the medieval fortification of Milan's Sforza Castle have revealed numerous hidden passages. Some of the tunnels were likely used by the military, while another once linked to ...
The castle is free to visit, but if you'd like to peruse any of the museums, admission costs 5 euros (around $5.50) for adults and 3 euros (about $3.50) for young adults ages 18 to 25; youths and ...