Quebec City is an amazing place to visit for history buffs like us! I'm sure you'll have a great time there! They were built for the War of 1812, not the Seven Years' War, but if you like military history make sure to go inside one of the Martello Towers in The Battlefields Park. Another significant historic landmark: the Cross of Malta carved in a stone inside the Château Frontenac's courtyard.

Wish I went to Williamsburg too. Maybe one day. I also suggest seeing Ottawa in Canada. It's another one of those city with a good historic feel.