In the district of Campo Marzio, an area between the Pantheon and the splendid Piazza Navona, the city's sublime and evocative baroque nook.
The tower rises in Via dei Portoghesi 18, near Piazza Navona, annexed to the Palazzo Scapucci. Of medieval origin and perhaps owned by the Frangipane family, it then passed to the Scapucci family around the 16th century. Its characteristic crenellation dates back to the fifteenth century.
The origin of the name of the tower derives from some popular legends, witnessed in different versions (in particular by the American writer Nathaniel Hawthorne), regarding the presence of a monkey inside it.