Well, the time I lived in America, being an Argentina, I got asked lots of questions like:
"What is Che Guevara?", "Do you ride a horse to school?", "Do you have any airports there?"
Another one: we are given a map of South America. Argentina is the second largest country on the map, and takes about 30% of the space. "THERE IS NO ARGENTINA HERE!" said one of my classmates.
And my favourite: the school was showing its political correctness by calling all of the foreign students by region of the world they came from. So, Africa first. No problems there. Then Oceania/Australia. Still OK. Then Asia. All the Koreans got up, along with my Indian and Pakistani friend. American response: "DUDES, you're not Asian!". Then the Caribbean and Central America. Just 3 or 4 students. Then Europe. Of course, I stay in my sit and applaud the 10 or so students, when a girl behind me goes "Man, get up! it's your turn!"
Which reminds me of another question asked in that same school: "What's the capital of Europe?"