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 ...

The Italian genius, who was a revolutionary mathematician but also an expert in military structures, may have been responsible for the secret passages found under the Sforza Castle in Milan.

The discovery was made after a series of surveys that were conducted to digitise 15th-century Sforza Castle's underground structures using ground-penetrating radar and laser scanning. The surveys ...

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.