Delve into the rich narratives of Heidelberg's Altstadt with this interactive audio tour. Ideal for history buffs and cultural enthusiasts, this tour paints a picture of the city through the lens of its most emblematic sites. Wander at your own pace, as the in-app experience takes you from the bustling Marktplatz, past the serene Kornmarkt, to the regal ruins of Heidelberg Castle perched high on t...