Following the trend of discovering ancient Greece is a new exhibition in Frankfurt am Main. More details one can find here:
One step further for those who have been taught some form of Greek at school, is visiting the available online museums of Greece and reading the literature about it:
Nevertheless, people with no knowledge of Greek, ancient or modern, would also benefit by browsing the pictures of the exhibits, just to get a taste of the aesthetics.
Για δε τους απανταχού της γης ελληνόφωνους ή της ελληνικής παιδείας μετέχοντες, το υπουργείο παιδείας προσφέρει δωρεάν όλα τα σχολικά βιβλία εδώ.
Finally, the last step would be to see all these with one's naked eyes, by visiting Greece to enjoy the sunny weather and avail oneself of the particularly low hotel prices, attracting potential tourists worldwide.