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Photo: Holger Weinandt, CC BY-SA 3.0 de via Wikimedia Commons
Stolzenfels Castle is a former medieval fortress castle ("Burg") turned into a palace, near Koblenz on the left bank of the Rhine, in the state of Rhineland-Palatinate, Germany. Stolzenfels was a ruined 13th-century castle, gifted to the Prussian crown prince, Frederick William in 1823. He had it rebuilt as a 19th-century palace in Gothic Revival style. Today, it is part of the UNESCO World Heritage Site Upper Middle Rhine Valley.
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Stadion Oberwerth
Football Stadium.
Electoral Palace
This is a nice little fountain near the town hall. You should stand three steps in front of the fountain and in front of the figure's face. Wait there three minutes. What then happens should bring fortune.
This spot (the name means German Corner in German) is where the Mosel River meets the Rhine River. The tip of the park is shaped like a ship's prow, overlooked by an enormous equestrian statue of Kaiser Wilhelm mounted on an equally-huge stone base that you can climb for a great view of the rivers and opposite shore castle/fort. Not far from the German Corner, you can catch a little sightseeing train which will drive around & point out some of the interesting things about Koblenz.
Moselstaustufe
Information centre in the fish pass building dedicated to the river Moselle and fish migrations.