America has plenty of culture. Nomad tribes, jungle tribes, tundra tribes all have plenty of culture. Oh, you mean the US when you say America? Hm. I guess.. Decadence and decay? ;p
In seriousness. US culture (as seen from the outside) is barbecue, ranching, cattle, awful cars, strange sports and corn.
US culture is a real thing. I am by no means an expert though.
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The beer isn't very good, no. At all. But they have some good liquors and wine.
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I know, right? They even have sugar in bread. Have you had bread from the US? Tastes like spongecake