Located in an area that boasts many interesting museums, such as Museo Nazionale Preistorico Etnografico "Luigi Pigorini" and Museo dell'Alto Medioevo, Museo Storico delle Poste e delle Telecomunicazioni has many fascinating things to show you. The perfect place for philatelists, this museum has a marvelous collection, including the Cavallini stamps from Sardinia. The journey of Italian telecommunications, from the telegraph to the television, holds your attention. Once inside, you can admire the ceramic reconstruction of a medieval copy of a map with the military routes of the Romans, devices by Morse, Guglielmo Marconi’s unique laboratory for his experiments, a predecessor of the fax machine. A reconstructed ancient Post Office and one of just three Enigma cryptographic machines used during the Second World War for the transmission of coded messages are some of the other exhibits.