My 8-year old son told me about this site. It's the first site I've ever discovered based on my kid's word-of-mouth. He's crazy about geography and loves to com

My 8-year old son told me about this site. It's the first site I've ever discovered based on my kid's word-of-mouth. He's crazy about geography and loves to compare the area of different countries and make trick questions out of the comparison: "Daddy, which is bigger, the Philippines or the state of Arizona?" (Answer: they're almost the same size)