There is no such course (at least a decent level of recognition) but Australia and UK will be good if you want to peruse such a specific course. most of this will be 1 year fully residential program and please check the recognition and affiliation of such courses.
If you go and check the noble prize website and if we see that the rule clearly says that that the noble prize has to be given not necessarily to the person who has shown some or significant work for peace but also the one who is in the path of peace establishment can be awarded with this prize...