Tourists are often swallowed by alien cultures. They get lost because they don't speak the language, they are gullible and easily ripped off, they ignore local customs which can seriously tick off the locals. Once I saw a Brit severely beaten for failing to observe Muslim customs in a mosque. If you are a tourist, try not to look like a tourist. That will stave off much potential embarassment. That's all I can say.

Note: This is in regards to Asia. I'm sure Asian tourists in America act the same way.