
The Sepulchral Chapel (GroĆherzogliche Grabkapelle Karlsruhe) was commissioned by Grand Duke Friedrich I of Baden and his wife, Luise of Prussia. Five of seven Grand Dukes of Baden found their last rest in this chapel.
You only see what you know (Goethe)

The Sepulchral Chapel (GroĆherzogliche Grabkapelle Karlsruhe) was commissioned by Grand Duke Friedrich I of Baden and his wife, Luise of Prussia. Five of seven Grand Dukes of Baden found their last rest in this chapel.

An interesting detail in the streets of Karlsruhe: The remains of a former dual-gauge railway which used three rails.

The Karlsruhe Pyramid was constructed between 1823 and 1825 according to plans by architect Friedrich Weinbrenner. It commemorates Karl III Wilhelm Margrave of Baden-Durlach, the founder of the planned city of Karlsruhe. [German]