Leonardo da Vinci's notebooks, a marvel that blends science, art, and invention, are held in high esteem for their insight ...

The mysterious passages were rediscovered after 500 years under Sforza Castle, which was a medieval fortress built in the ...

Leonardo da Vinci's notebooks ... has been uncovered beneath a Milanese castle. The re-emergence of these hidden corridors comes after half a millennium under Sforza Castle, once a 15th-century ...