The cradle of the Western civilization!
Come and know the origins of Greek-latin culture. While Rome conquered materially, Greece conqueredt culturally, awesome places like the Acropolis, tasty and amazing food, almost as good as real Mexican food. You can have Greek yoghrut with honey bee and nuts for breakfast, while having delicious pork souvlaki skewers with a huge Corona beer, to do at least once in life!
Insider Tip:Do not take the taxis when you go down the bus x95 at syntagma square, I got one TAB 632 plate and they charged me 15 euros for a 4 min walking. Normally it is 5, maximum 7. Ask the taxi at the desk, they know honest guys.