Started by the cardinal Pietro Barbo in 1455, the future Pope Paolo11, it was used as a pontifical residence and as the residence of the Venetian embassy in Rome. But in 1916 it was confiscate by the italian state and it became the residence of Mussollini and of the " gran consiglio del fascismo".The balcony where the Duce was used to stand and to make his speeches to the people. The museum of the palace bad and eclectic collection that included paintings of the Renaissance, sculptures and the famous "croce Orsini" made in 1334.