As said, Cuba is pretty much a place culturally uninfluenced (at least in modern times) by its neighbours. Almost no international brand presence in Havana, let alone the rest of the country, to take away from the fact that you are in Cuba.
Lores of the cold war (especially if you grew up in the '60s and '70s), the classic cars (I can't think of anywhere else in the world one would go primarily to look at cars), the ramshackle nature of the cities, and the country in general. And not to forget the music and dance culture.
I started a trip report but it's stalled (from April last year).