Beneath Sforza Castle in Milan, researchers have discovered a series of secret tunnels—passageways once sketched by the Renaissance artist and scientist Leonardo da Vinci and traversed by a widower ...

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

They have long been the subject of legends and speculation. Now it is known that they truly exist. Under the Sforza Castle in ...

Pictured is Sforza Castle in Milan. A new geophysical survey has revealed ... Some of these, the researchers say, can be linked to secret military tunnels that can also be seen represented in ...

Italy's Sforza Castle includes a underground passage that linked the Duke of Milan to his wife’s tomb.

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

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

Using ground-penetrating radar and laser scanners, researchers identified subterranean structures just a few feet below the ground. The pathways may connect Sforza Castle to a nearby basilica ...