Perhaps the reason why travelers who go to foreign places like it is that they feel superior. For example, when you when you travel to a foreign place, there is a feeling of superiority that your culture, wealth and riches is superior to theirs.

Or the feeling of being pampered, or served. For example, the feeling that Americans love going to Japan is feeling served. They love the special service, which is often absent in America.

Also, perhaps the reason why people like giving aid to developing countries is that in doing so, they feel that they are more fortunate than the poor people they are helping.