Greece has thousands of islands scattered throughout the Aegean and Ionian seas. Known for its ancient civilizations, wine and olive oil, and whitewashed houses rising high above azure waters, Greece is a bespoke vacation destination. Athens, the capital, boasts landmarks from the fifth century BC, including the Parthenon and Acropolis. Mykonos and Santorini are the most visited islands, and there are 18 UNESCO World Heritage Sites in Greece. It is the birthplace of the Olympic Games.