They sell "real" apple juice in the US. It's just called apple cider and you can find it at any supermarket.

"Apple cider is raw, unfiltered, and often unpasteurized apple juice, resulting in a cloudy, dark appearance and rich, tart flavor. Apple juice is filtered to remove pulp, pasteurized for a longer shelf life, and often sweeter. Cider is usually seasonal and refrigerated, whereas juice is shelf-stable"

Europeans consistently visit a gas station and conclude this must be all there is to eat in America.