close up of lion gate in ancient greek ruins at mycenae which is mentioned in the iliad - missing heads were thought to be gold

acropolis agamemnon akropolis ancient antique antiquity archaeological archeology architecture argolida argolis argos bronze citadel civilization close clytemnestra cyclopean cyclops entrance entry fort gate gateway gold golden greece greek heads heritage historic history iliad landmark lion lions mediterranean mentioned missing monument mycenae mycenaean mykene mykenes mythology old ruins site stone thought tourism travel unesco wall were which world