The most photographed corner in Germany, intact town walls and a skyline unchanged for centuries — Rothenburg is medieval time travel with riddles. This app-led scavenger hunt takes you through Rothenburg ob der Tauber on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time. • Frame the Plönlein, the crooked little square on every postcard • Walk the ramparts at the Klingentorbastei •...