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

A team at the Polytechnic University of Milan uncovered secret tunnels beneath Sforza Castle, potentially linked to Leonardo da Vinci's designs.

A long-rumored network of secret tunnels sketched by Leonardo da Vinci has been uncovered beneath the Sforza Castle in Milan, ...

A GROUNDBREAKING discovery has unearthed mysterious tunnels which may have been sketched by Leonardo da Vinci over 500 years ... may have been responsible for the secret passages found under ...

Leonardo da Vinci's notebooks, a marvel that blends science, art, and invention ... confirming the long-speculated existence of secret passages linked to Leonardo: "This passage, immortalised ...

The Colorado Economic Development Commission has approved a Leonardo ... of the Leonardo da Vinci Museum of North America in Pueblo. The 16th-century artist was known for works like the Mona ...

(CNN) — Leonardo da Vinci excelled in the fields of art and science ... their survey revealed a second secret tunnel that experts had only hypothesized about for years. The second tunnel ...