The MARTIS virtual museum of Medieval Art presents the 3D models of the Medieval architecture monuments, the 3D models of the famous museums' collection treasures and of their 3D reconstruction by contemporary art. Modern tecnologies displays these master pieces and reveal the architecture monument interiors accompanied by the audio-excursions that narrates about its most interesting facts. The virtual museums ITINERARIES section organizes the thematic trips around the architectonical monuments and the museums treasures. Study the museum objects and listen the audio-excursions to enjoy the beautiful Medieval arts and interesting historical facts to penetrate into mysteries of hidden process run in the society. The MARTIS virtual museum through architecture Medieval masterpieces and museum collections exhibits presents the Medieval social imaginary, MUNDUS IMAGINALIS, the subject of th interconnection of three sciences: social science, history and art history. The virtual museum produced by famous scientists of the Medieval history and art.