Italian Gardens

Many of the villas in Italy are famous for their gardens. So in my planning stage I have received permission for Villa Gamberaia and Villa Poggio Torselli to get private tours and take photos of their villas. I am very interested in finding out information about their design and layout of their gardens.
The two gardens below are located near Florence.

Villa Gamberaia - is considered a classic Italian Garden. It has been written about since the 1800's and is one of the gardens that was included in Edit Wharton's travel journal about Italian Gardens.
Villa Poggio Torselli - is a fabulous villa located near Florence. It has beautiful frescos in their villa and the garden is representave of the Italian formal garden.

In Lake Como - plans to see the following villas.
Villa Monastero (Varenna)
Villa Del Balbianello (Lenno)
Villa Serbelloni (Bellagio)
Isola Bella Lake Maggiore
These villas are not private villas but rather have been converted into hotels or managed by the FIA. or Italian government.