Didyma. Turkey. A frieze with griffon motifs adorns the inner sacred courtyard Adytum walls of the Greek Temple of Apollo. Located on the west coast of Turkey, the 3rd century BC Temple was erected on the site of an older temple destroyed by Darius I of Persia in 494 BC, the temple is nearly 120 metres long and 60 metres wide and is the 3rd largest Greek temple ever built after those of Ephesus and Samos. Only 3 columns remain today from the magnificent original 122 enormous Ionic columns that reached a height of 60 feet and with a diameter of 6 feet around the base.