I think that there is only one reason to travel abroad -- that is to enjoy sights and experiences that you cannot get at home. I do not think that you can really experience some other culture by going there for two weeks, so I don't think that the cultural experience means much.
However, there are many things that you might not be able to experience in your own country. For example, I cannot go anywhere in the United States and see a building that has been standing for 2000 years the way I could in Rome. I can't see the Great Wall of China in the US. So by going to other countries, I can see sights and get experiences that are not available in my home country.