An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to ...

A technological investigation at Sforza Castle found that it does in fact hold underground passages once described by ...

Using ground-penetrating radar and laser scanners, researchers identified subterranean structures just a few feet below the ...

In a twist worthy of a Renaissance mystery, Leonardo da Vinci's sketches have revealed hidden secrets beneath the Sforza ...

A lost sketch by Leonardo da Vinci has led to the discovery of hidden tunnels beneath Sforza Castle, revealing secrets buried ...