Fifteen millennia ago, along the banks of the Rhine River ... archaeological site in western Germany, may be the oldest known depictions of fishing in human history. “The Gönnersdorf engravings ...

That's even before you get to the Upper Middle Rhine Valley, a UNESCO World Heritage Site. This 40-mile stretch of river, between Rudesheim am Rhein and Koblenz, Germany, has castles galore ...

The river breaks through the Rhenish Slate Mountains, connecting the broad floodplain of the Oberrheingraben with the lowland basin of the Lower Rhine. The property extends from the Bingen Gate ...