Dating back to 510 BC, the Acropolis of Athens is an iconic UNESCO World Heritage Site that reigns over the capital city of Greece from its hilltop perch. Beat the crowds with a skip-the-line ticket and explore its many ruins, including the Parthenon and Propylaea, and the temples of Athena, Nike, and Erechtheion. Delve deeper into its history on a walking tour or combine it with other Ancient Greek sites such as Epidaurus or the Temple of Poseidon on a sightseeing tour