The ruins of Ramstein Castle stand on a 182-metre-high, Bunter sandstone rock on the edge of the Meulenwald forest in the lower, steep-sided Kyll valley near Kordel.
The hill castle was built in the early 14th century by the Archbishop of Trier, Diether of Nassau as the successor to a fortified manor farm. From then on, it was a fief castle of the Electorate of Trier which was enfeoffed (subleased) to electoral subjects and cathedral deans. During the War of the Palatine Succession, the castle was occupied by French troops and largely blown up in 1689. The great damage was not repaired. However, tall sections of curtain walls, elements of corner towers and almost of all the exterior and the stone staircases of its medieval tower house stand.
Three larger-footprint modern buildings including a hotel-restaurant are on the southern part of the east-facing promontory. The hotel's outdoor terrace overlooks the lightly or densely wooded valley, depending on direction views. Fields have likely long stood next to the near-bend of the river enabling a clear view to the impassably sheer hillside (on horseback) on the opposite bank and intervening north–south route.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.