This paper is intended to present a triangular cultural comparison of American, Japanese, and Mexican societies. It is written primarily for Americans who plan to live for extended periods of time in either Japan or Mexico, and is written from an American cultural point of view. Included are descriptions of my cross-cultural experiences in the three countries. The main body of the paper deals with the cross-cultural factors which I consider to be the most important to consider when attempting to successfully adapt oneself to living in either Japanese or Mexican society. It is hoped that in some way my own experiences will provide a heightened awareness for future ESL teachers of the cultural challenges presented by Japan and Mexico. The final section of the paper lays down several areas of personal skills which I deem most crucial to successful acculturation in a foreign culture