Homer,
Odyssey
9.82-148:"Lotus
Eaters & Cyclopes"[Features of Greek (Hellenic) culture
imagined as lacking in its Cultural Opposites.]
Virgil
Aeneid
1.572-677:
Aeneas
secretly observes the founding of Carthage [Rome's culture like yet
unlike Greek: infer features from an imagined visit by the mythical ancestor
of the Romans to the site of Rome's greatest historical enemy.]