How do i know if there are any secret passageway in my house?

Question

My Friend and I, were looking around my house to see if their are any passageways in my home! we found a hole in the wall in my basement, that was able to fit two small children and then we found a hole outside of my home! is it a secret passageway?

Answer 1

How old is your house?  If anything you probably just found a coal chute.

Answer 2

Yes, you should send the children through and see if they make it out to tell for sure.