Viljandi castle was one of the strongest castles in Livonia. The construction was started 1224 under Teutonic Order in place of a former hillfort. The crusaders of Sword Brethren conquered the hill fort at the place of later main castle in 1223. A year later, construction of stone fortifications started. Viljandi was chosen as the high seat of the order.
The convent house, a typical form of castle of Teutonic Knights, was erected late 13th – early 14th century. In the following centuries the castle was extended and fortified further. It was badly damaged in the Polish-Swedish wars in early 17th century and not repaired any more. In 18th century, the ruins were used for quarrying stones for construction work in Viljandi.
The first excavations in the castle were performed in 1878–1879. In recent decades, these have turned to almost yearly events. Currently the ruins form a popular resort area just outside of central Viljandi. An open-air stage is located in the former central courtyard.
Reference: Wikipedia
Bamberg is located in Upper Franconia on the river Regnitz close to its confluence with the river Main. Its historic city center is a listed UNESCO world heritage site.
Bamberg is a good example of a central European town with a basically early medieval plan and many surviving ecclesiastical and secular buildings of the medieval period. When Henry II, Duke of Bavaria, became King of Germany in 1007 he made Bamberg the seat of a bishopric, intended to become a 'second Rome'. Of particular interest is the way in which the present town illustrates the link between agriculture (market gardens and vineyards) and the urban distribution centre.
From the 10th century onwards, Bamberg became an important link with the Slav peoples, especially those of Poland and Pomerania. During its period of greatest prosperity, from the 12th century onwards, the architecture of this town strongly influenced northern Germany and Hungary. In the late 18th century Bamberg was the centre of the Enlightenment in southern Germany, with eminent philosophers and writers such as Georg Wilhelm Friedrich Hegel and E.T.A. Hoffmann living there.
Bamberg extends over seven hills, each crowned by a beautiful church. This has led to Bamberg being called the 'Franconian Rome'.