The Watchtower Sign—A Longtime Brooklyn Landmark. For more than 40 years, the sign atop the world headquarters of Jehovah’s Witnesses has been a familiar sight to residents of New York City. ♥•.¸¸.•♥ JW.org > About Us > Activities > Life at Bethel > The Watchtower Sign—A Longtime Brooklyn Landmark. JW.org also has the Bible & bible based study aids to read, watch, listen & download in 300+ languages. These aids are designed to be used with your bible.