Temple of Olympian Zeus
They sought to surpass two famous contemporary temples, the Heraion of Samos and the second Temple of Artemis at Ephesus. Designed by the architects Antistates, Callaeschrus, Antimachides and Phormos, the Temple of Olympian Zeus was intended to be built of local limestone in the Doric style on a colossal platform measuring by . It was to be flanked by a double colonnade of eight columns across the front and back and twenty-one on the flanks, surrounding the cella.