I did not know what a ha-ha wall was until a few months ago when we happened to pass by Saint-Louis-du-Ha! Ha! while driving from New Brunswick to Montreal. It'

I did not know what a ha-ha wall was until a few months ago when we happened to pass by Saint-Louis-du-Ha! Ha! while driving from New Brunswick to Montreal. It's right on the Transcanadian Highway route so hard to miss. To be sure a few laughs were had when we saw the town's name.