The Acropolis, a World Heritage Site, and in particular the Parthenon, is the most emblematic monument of ancient Greek civilisation. Visit the Parthenon on the Acropolis, the Acropolis Museum, the Archaeological Museum and the Cycladic Museum. Take a stroll through Plaka, the oldest neighborhood in Athens and the Monastiraki open-air market just below the Acropolis, in a city with over 2,500 years of living history.