A simple "Come." would be enough. It's obvious that you're not invited to come to Scotland.
Harald, I think a magazine that simply said "Come" on it's front cover, may well illicit a response from a different type of clientele than you would expect
In fact this reminds me of a funny image I once saw in a magazine some years ago, it was, well why describe it, because I have found it and here it is -
Of course the spelling is totally wrong ...
... because it should be spelt as Favourite