Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...

A 500-year-old sketch by Leonardo da Vinci has led to the remarkable discovery of hidden tunnels beneath Sforza Castle in ...

She hopes the sketch's discovery will aid in rebuilding the castle. Because of the sculpture, the castle had been a remembrance of her husband for her, Yoshiko said, and she was saddened by the ...

In Da Vinci's sketch, the main body of the castle is clearly recognisable, along with multiple passageways. "That said, it is not possible to determine the exact extent of Leonardo's involvement ...

Now, scientists have uncovered a hidden feature underneath a medieval castle in Milan, Italy, that researchers once could only speculate about based on a sketch of Leonardo’s from around 1495 ...