... posting some sample chapters this week, with Chapter 3 of Demons of the Past! In this one, Sasham and Diorre meet up with a mysterious character...
[Error: unknown template qotd]No, I don't. I have encountered things I could not PERSONALLY explain (e.g., UFO sighting), but I have no particular reason to believe that a rational (i.e., non-supernatural) explanation does not exist.
As for "why not", because there's no reason for me to think otherwise. No credible evidence has ever emerged for any of it. Thus, Occam's Razor.