The Castello Visconti in Somma Lombardo is a large building enlarged in particular in 15th century by Francesco and Guido Visconti. In the two subsequent centuries it was further improved and it changed his destination in order to became more and more a somptuous villa. It is well preserved with important and beautifully decorated rooms. The 360 photo shows the main entrance to the castle with the protecting postern.
The area of current Lombardy was settled at least since the 2nd millennium BC, as shown by the archaeological findings of ceramics, arrows, axes and carved stones... continues on wikipedia