Bay windows by the dozen, a fresco-covered knight's house and a fortress ring above it all — Schaffhausen earns its nickname as the oriel city. This app-led scavenger hunt takes you through Schaffhausen on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time. • Read the painted facade of the Haus zum Ritter, a Renaissance picture book • Listen for the Schillerglocke and explore the herb...