For americans Heineken is probably the biggest rip off ever - you're paying for imported beer that tastes no different than the other crap macros. If you're going to drink cheap beer at least pay cheap prices for it. (and don't even mention corona)
Yuengling sucks too - If there's nothing on tap, i'll drink it but There are better beers out there
Americans have the best microbrews - Great Lakes (cleveland) and Bell's are a couple of my favs, but there is a shitload more
I've tasted so many great beers in the UK too, most notably Samuel Smith's, Young's, Orkney, etc... I'm looking forward to my Germany/Belgium experience this year to try good quality Lagers, Pilsners and Belgian ales (and Homemade Wines from the Neckar Valley)
Oh I love Beer!