You're in your 60's, have faced and recovered from cancer, you have unlimited money and a no-show job, and you want me to believe that you are serious about wanting to visit someplace that you haven't yet found time for?
No doubt, Kerry has visited Buddhist's shrines before this. . .just not in 'Korea'; this is a political gesture; flattering; showing them he identifies and appreciates 'Korea' and that he is still taking contributions.