What if the world’s ice sheet melted (à la Waterworld)? Unlike that movie, the entire Earth would not be flooded, but sea levels would rise 240 feet. What would this mean for Puget Sound and Victory Heights? According to this map titled “Islands of Seattle” developed by Jeffrey Linn, the waters of Thornton Bay would be lapping at our borders but we’d still (mostly) be on dry ground. Check it out!