The Temple of Olympian Zeus ( or Olympeion ; known in Italian as the Tempio di Giove Olimpico ) in Agrigento , Sicily was the largest Doric temple ever constructed .
Sicily was never completed and now lies in ruins .
The Temple of Olympian Zeus ( or Olympeion ; known in Italian as the Tempio di Giove Olimpico ) in Agrigento , Sicily was the largest Doric temple ever constructed , although it was never completed and now lies in ruins .