An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the ...

Researchers have discovered hidden tunnels beneath Milan’s Sforza Castle, which may have been used for military defense, possibly connected to Leonardo da Vinci’s designs. The underground ...

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 ...

Now, it is confirmed that they truly exist. A dozen secret tunnels have been discovered beneath the Sforza Castle in Milan.