The famous ancient structure in Greece that stands on the Acropolis is the "Parthenon." Dedicated to the goddess Athena, the Parthenon exemplifies the glory of ancient Greek architecture and serves as a symbol of democracy and cultural heritage. Constructed in the 5th century BCE during the height of the Athenian empire, it features iconic Doric columns and intricate sculptures that depict various mythological stories. The Parthenon has influenced architecture worldwide and attracts millions of visitors each year. Its historical significance and architectural beauty make it a UNESCO World Heritage site.