(CNN) — In travel news this week: A German city cracks down on bad nudist etiquette, Western travelers visit North Korea, plus where to go for a US urban vacation. If something’s worth doing, it’s ...

Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. In travel news this week: A ...

Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. Beach ...