Bible Verses About Towers: On the walls of cities

And he saith to Judah, `Let us build these cities, and compass them with wall, and towers, two-leaved doors, and bars, while the land is before us, because we have sought Jehovah our God, we have sought, and He giveth rest to us round about;' and they build and prosper.

And Uzziah buildeth towers in Jerusalem, by the gate of the corner, and by the gate of the valley, and by the angle, and strengtheneth them;