Deuteronomy 29:25 (KJV)

And that the whole land thereof is brimstone, and salt, and burning, that it is not sown, nor beareth, nor any grass groweth therein, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the Lord overthrew in his anger, and in his wrath:

Even all nations shall say, Wherefore hath the Lord done thus unto this land? what meaneth the heat of this great anger?

Then men shall say, Because they have forsaken the covenant of the Lord God of their fathers, which he made with them when he brought them forth out of the land of Egypt:

For they went and served other gods, and worshipped them, gods whom they knew not, and whom he had not given unto them:

And the anger of the Lord was kindled against this land, to bring upon it all the curses that are written in this book: