Die Mosburg Plein Air

A moated castle is said to have existed on this site in the 13th century. In 1462, a castle house belonging to the Counts of Nassau with a moat and castle wall outside the village is mentioned in the Mosbach court register. From 1654, the castle was owned by the Swedish ambassador Penz von Penzenau.

At the beginning of the 19th century , Duke Friedrich August of Nassau enlarged the Biebrich Palace Park and acquired the remains of the buildings that were part of the Imperial Palace of Biburc (also Biburk ). He commissioned Carl Florian Goetz to build a neo-Gothic residential castle on the ruins. The artificial ruin was completed between 1805 and 1806.

In the middle of the 19th century, the sculptor Emil Alexander Hopfgarten set up his studio in the Mosburg.

During the Second World War, the artificial ruin became an actual ruin.