Popular with holidaymakers in mobile homes and trailers, who park up on the banks of the Weser directly across from its historic center, Bad Karlshafen’s a pretty little spa town with baroque architecture that is best viewed from the campsite side of the river, as the town is surrounded by hills covered in dense forest. Its elevation and rural location provide fresh air, and there are salt springs that the locals believe can cure just about whatever ails you.

- Photo: Bodo Kubrak, via Wikimedia Commons [CC BY 1.0]