Maus Castle built
1353 CE.
Shown on the map at 50.172°, 7.696°.
Maus Castle (German: Burg Maus, meaning Mouse Castle) is a castle above the village of Wellmich (part of Sankt Goarshausen) in Rhineland-Palatinate, Germany. It lies on the east side of the Rhine, north of Katz Castle (Cat Castle) in Sankt Goarshausen and opposite Rheinfels Castle at Sankt Goar across the river.
Text from the Wikipedia article Maus Castle, licensed CC BY-SA 4.0.