There's a voice in the wilderness crying, a call from the ways untrod... (The Hymnal 1982 #75)
Of course, the unexplored place may indeed by wild, threatening and dangerous, but not necessarily. It is certainly the risky place, because it is always the place where our status quo is challenged and re-formed. Go into the wilderness, physical or spiritual, and you will not be the same.
What is unexplored for you?