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

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

A series of underground passages have been found under Sforza Castle in Milan by experts at the city's Polytechnic University ...

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

A network of secret tunnels drawn by Leonardo da Vinci in 1495 has now been discovered beneath an Italian castle.

Researchers have discovered a network of underground passages at the Sforza Castle in Milan, Italy. These passages, sketched ...

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

An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the ...

A series of mysterious tunnels first sketched by da Vinci around 1495 have now been discovered beneath the Sforza Castle in Milan. No one knows exactly why these secret passages were built beneath ...

In 1460, Francesco Sforza, the duke of Milan, decided he required a royal residence. He seized upon the ruins of a medieval fortress in northern Italy and over the next few years, oversaw its ...