The Braschi Palace was built for his nephews by Pope Pius VI in the late 18C. It was the last Papal family palace to be built in Rome. The neo-classical style then in vogue was used for the ponderous façade which dominate the surrounding streets. Rome since the Middle Ages is the subject of the Museum housed in the Palazzo Braschi. The colossal staircase is by Cosimo Morelli, who designed the palace.