A German king gave his wife a hilltop as a wedding gift — then asked for it back to build a second Rome. This app-based self-guided walking tour of Bamberg traces that power struggle through 20 stops across the UNESCO-listed old town. You'll hear how citizens built their town hall on a river because the bishop refused them land, why a one-Pfennig beer price hike sparked a citywide revolt, and how a brass doorknob inspired the author of The...