Acropolis. Athens. Greece. View of the south and west ends of the Erechtheion on the Acropolis summit. On the south side of the building is the famous Caryatid porch which has six sculptured graceful figures of maidens supporting the entablature. These figures are copies, five of the original six maidens are displayed in the new Acropolis museum and the sixth looted by Lord Elgin is on display in the British Museum. On the west end is six Ionic columns built into a low wall, the east side has a porch, with six Ionic columns and the north side has monumental Propylon also with six Ionic columns. Built between 420 and 406 BC, the elegant and unusually shaped Temple was designed to incorporate a number of ancient sanctuaries and cults including that of Athena and her olive tree and Poseidon-Erechtheus. The Acropolis of Athens and its monuments are a UNESCO World Heritage Site.