At least that's what my critical thinking text says:
"Without an operational definition, the scientific method cannot be employed. Science cannot, for example, tell us whether or not a biblical heaven or hell exists."
Thinking: An Interdisciplinary Approach to Critical and Creative Thought, 4e, Chapter 10: Scientific Thinking
ISBN: 0132209748 Author: Gary Kirby , Jeffery Goodpaster
copyright © 2007 Prentice Hall, Inc. A Pearson Education Company
I doubt that science will try to prove or disprove whether the moon is made of cheese either....or the Tooth Fairy...or the Easter bunny...or Santa Claus...
All of your make believe characters and places are safe from scrutiny.