Where are the greatest spots to visit if you're traveling alone?

what will be the best options for the touring ideas, are the core element of my question. what are the suggestive places for the visit in the eyes of yours?
i'll be seeking the answer for my query that what options i might be seek for my touring compaign? i am planning my vacations and for this stance, i am seeking different places around the globe. so, the guidance is required for the choosing stance.n