Ancient scrolls, documents, works of art, palaces, adventurous travels around the world: through a series of unpublished studies resulting from research conducted on sources never before investigated, the history of the Dragon family, its members, and the ambitions that animated their existences are outlined. The volume traces the little-known history of the patrician family with a strongly interdisciplinary approach, so as to offer a wide-ranging overview of different but strongly interconnected themes. The essays analyze the imprints left by the del Drago family in the urban fabric of Rome, in its history and in that of collecting, so as to allow studies to confront new elements, but also for the curious reader to rediscover a lost tessera of the great mosaic that is the history of the eternal city.