Genesis 19:26

But his wife looked back from behind him, and she became a pillar of salt.

Cross References

Genesis 19:17 And it came to pass, when they had brought them forth abroad, that he said, Escape for thy life; look not behind thee, neither stay thou in all the plain; escape to the mountain, lest thou be consumed.
Numbers 16:38 The censers of these sinners against their own souls, let them make them broad plates for a covering of the altar: for they offered them before the LORD, therefore they are hallowed: and they shall be a sign unto the children of Israel.
Proverbs 14:14 The backslider in heart shall be filled with his own ways: and a good man shall be satisfied from himself.
Luke 17:31-32 In that day, he which shall be upon the housetop, and his stuff in the house, let him not come down to take it away: and he that is in the field, let him likewise not return back. Remember Lot's wife.
Hebrews 10:38 Now the just shall live by faith: but if any man draw back, my soul shall have no pleasure in him.