Renaissance artist and inventor Leonardo da Vinci drew a series of underground tunnels said to be hidden underneath Milan's ...

They have long been the subject of legends and speculation. Now, it is confirmed that they truly exist. A dozen secret tunnels have been discovered beneath the Sforza Castle in Milan. Scientists ...

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 ...