You might have learned a few local phrases, stashed your ball cap, and congratulated yourself on not sticking out like a sore thumb abroad. But culture goes deeper, and there are a number of customs and gestures that Americans use without thinking twice. When traveling, these customs will not only out you as a tourist, but could get you in hot water in other countries.
Words by Sophie-Claire Hoeller at Insider
[Photo via @ohhcouture]