Schloss Eggersberg, Castle museum in Riedenburg, Germany.

Schloss Eggersberg is a museum housed in a Renaissance building that sits on a hill above the Altmühl Valley, constructed with corner towers and stepped gables. Inside, the collections display items from the castle's former administration and everyday life of people who lived there or nearby.

Eggersberg was first documented in the 9th century, but the present castle was built around 1600, about 100 m south of the older castle ruin, under the Jocher family. In 1684 Dominicus von Bassus, professor of law at Ingolstadt, acquired the closed Hofmark Eggersberg; his family kept the castle and the lower jurisdiction until the revolution of 1848 and used it as a hunting lodge until after the Second World War.

The castle served as the seat of the de Bassus family, and visitors can see household objects from rural life and administrative documents from that era displayed throughout. The collection reveals how nobility and their staff coexisted in the region.

The museum lies directly on the Altmühl Valley Panorama Trail and the Altmühl Valley Cycle Path, making it easy to reach during a hike or bike ride. Visitors should wear sturdy shoes since the building sits on a hill and the path to it slopes upward.

The area surrounding the castle yielded major paleontological discoveries, including the smallest dinosaur in the world and one of the oldest known examples of a bird. These fossil finds make the region important to scientists studying how life evolved.