Under the earth, underworld (Hell is either the name for the pit or is part of the pit).
Zechariah 9:11 (KJV) As for thee also, by the blood of thy covenant I have sent forth thy prisoners out of the pit wherein is no water.
Luke 11:24 (YLT) When the unclean spirit may go forth from the man it walketh through waterless places seeking rest, and not finding, it saith, I will turn back to my house whence I came forth…
- Also, Joseph is thrown into a waterless pit as a symbol of how Jesus would descend under the earth after His death.
Genesis 37:24 (KJV) And they took him, and cast him into a pit: and the pit was empty, there was no water in it.