In the classic Tarantino flick Pulp Fiction, Vincent (John Travolta) has just returned from Amsterdam and explains to Jules (Samuel L. Jackson) the cultural differences ("it's the little things...") between Europe and the United States.
He starts off with the amazing fact that at a French McDonald's they actually serve beer. ("And I'm not talking about a paper cup, I"m talking about a glass of beer.")
And even stranger: their quarter pounder with cheese is called a 'Royale with Cheese' on account of them using the metric system and therefore not knowing what a quarter pound is.