From the palaces of the Colonna, Farnese, Orsini and Altemps where, within their secret rooms, the papal throne was disputed over the course of centuries, to the magnificent ducal palaces of Venice and Genoa, manifest symbols of the political and economic power of the maritime republics, to the royal splendour of the Bourbon and Savoy palaces where beauty and history wonderfully and indissolubly merged.