Venice is full of secret corners that remain, to the most, unexplored and off of the beaten tourist track. Well, just be aware that if you are wandering in Campo Manin – which is located between the Accademia and Rialto zones, pay attention on the lateral calle with the yellow sign "Scala Contarini del Bovolo" and take it!
It will lead you to a small courtyard and you will see a beautiful covered winding staircase (Bovolo is Venetian for snail, thus here it assumes the meaning of a spiral shape) in the former building that belonged to Contarini's family. The building is of late Gothic style, but the covering of the stair reflects the tastes for the Renaissance elements, with the presence of arches and loggias.
Unfortunately, the Scala is under renovation and the access to tourists has now been closed. Hopefully, everyone will soon be able to walk its steps and reach the roof of the Palazzo. From here, you are able to appreciate an enchanting view of San Marcos's quarter's rooves. Campo Manin is quite a small square, with the statue of the last Doge. Behind the sculpture there is a big modern bank headquarter, so you will notice it for sure.