6. Best for culture and history- Delos
According to Greek Mythology, Delos is the birthplace of the God Apollo. The entire island is a UNESCO Heritage Site and is full of landmarks and remains from the Hellenistic Age, as well as those of Classical Greece. Several relics have been unearthed such temples, statues, mosaics and everyday items. If you are a history nut, look no further than Delos.