Julius Caesar takes on Vercingetorix and the Gauls as we travel to Provence in Southern France. The Pont du Gard is a Roman aqueduct, the largest left standing, and it's just one of the many legacies the Romans left in the land of lavender and sunshine.
While here, we visit Avignon and spend a detour talking about the papacy and the Slap of Agnani - one of those surprising little histories we've all forgotten that had a tremendous impact on the world.
To eat, how about some ratatouille? Except that it's January and so good tomatoes are hard to find. So let's try soupe au pistou instead!