In Rome, almost out of sight, there is an aristocratic, quiet and genteel – almost brooding – hill. It is the Aventine, the most elegant of the seven Capitoline hills.
But it was not always so. There was a mythological time when a legendary fire-breathing monster, Cacus, hid in the wooded crevices of this highland overlooking the Tiber. Cacus had the audacity to steal oxen from Hercules, who retaliated crushing the formidable thief (and thus completing his tenth labor).
Fonte: Italian Ways