For a small market, La Tour-d’Aigues’ market certainly has a dramatic backdrop. Every Tuesday, the open square in front of the towering façade of the town’s 16th-century château is filled with vendors selling mostly food and practical wares. Essentially, it’s a local market—when I was last there in June, most people seemed to be filling their baskets with fresh produce and other edible goodies. It’s a lovely spot to do just that. La Tour-d’Aigues is located in the...