The Parthenon, Athens, Greece. When I was in primary school there was a professor Named Mr Osuna. I used to walk his Collie and he turned me on to books on Greek Mythology. The stories were grand and full of action and adventure.
The Highlights and More: How to Spend 3 Days in Athens, Greece
Most advice about Athens, Greece, says that you can everything in this enormously historic city like the Acropolis and the Parthenon in one day. While that may get you the highest of the highlights, there's more to Athens than that.