With its asymmetrical layout, Erechtheion on Acropolis was built primarily out of Pentelic marble between 421 and 406 BC to replace an older sanctuary destroyed by the Persians. The structure is world-renowned for its iconic Porch of the Maidens projecting from the south wall, where six meticulously sculpted female Caryatids seamlessly substitute traditional columns to carry the architectural weight on their heads. Dedicated jointly to the goddess Athena and the god Poseidon-Erechtheus,