2. The Acropolis of Athens. The Acropolis of Athens is a hilltop citadel located in Athens, Greece. It is home to many important ancient Greek buildings, including the Parthenon, the Erechtheion, and the Temple of Athena Nike. The Acropolis is considered a UNESCO World Heritage Site.
3. Meteora. Meteora is a complex of six monasteries built on top of natural rock pillars in central Greece. The monasteries were built in the 14th and 15th centuries and are still inhabited today. Meteora is a UNESCO World Heritage Site.
4. Mount Olympus. Mount Olympus is the highest mountain in Greece and is located in northern Greece. Mount Olympus is considered the home of the Greek gods and is a popular destination for hiking and mountaineering.