Researchers may have found the hidden tunnels beneath a castle in Milan that Leonardo da Vinci sketched in 1495.

Brand-new research has revealed a hidden passageway under the Sforza Castle in northern Italy. An investigation ... "Based on its location, we believe this figure was likely the highest-ranking ...

Scientists have discovered hidden structures underneath Milan’s fifteenth-century Sforza Castle, hinting at the presence of secret passageways depicted in the drawings of renowned artist and ...