Dargun Abbey was originally a Cistercian monastery, converted after its dissolution into a palace. The monastery was founded here in 1172 on the site of a former heathen temple after the conquest of the region by Christian forces in 1164. The founding community came from Esrum Abbey in Denmark. The monastery was destroyed in 1198, and the monks left, later to found another monastery at Eldena. Dargun was re-established in 1208 by monks from Doberan Abbey, which is therefore counted as its mother house.
It was secularised in 1552 and taken over as a residence by Duke Ulrich I of Mecklenburg-Güstrow in 1556, who converted it into a Renaissance palace, which, after the extinction of the line of Mecklenburg-Güstrow, passed to the Dukes of Mecklenburg-Schwerin.
The monastery was brick-built. The principal building complex was reconstructed in the 14th century. The Gothic abbey church was built between 1225 and 1270, with further work to the choir in 1464. The church is now ruined but parts of the choir, nave and transept remain.
In 1637 the palace burnt down and was rebuilt until 1654. Until the mid-18th century it served as the home of the widows of the princely house of Mecklenburg-Güstrow. It was re-converted in the 19th century under Georg Adolf Demmler, and burnt down at the end of World War II. Little was done to secure the ruins until 1991. From 1994 some reconstruction and repair has taken place. The buildings presently accommodate an information bureau and the town library.
References:Goryōkaku (五稜郭) (literally, 'five-point fort') is a star fort in the Japanese city of Hakodate on the island of Hokkaido. The fortress was completed in 1866. It was the main fortress of the short-lived Republic of Ezo.
Goryōkaku was designed in 1855 by Takeda Ayasaburō and Jules Brunet. Their plans was based on the work of the French architect Vauban. The fortress was completed in 1866, two years before the collapse of the Tokugawa Shogunate. It is shaped like a five-pointed star. This allowed for greater numbers of gun emplacements on its walls than a traditional Japanese fortress, and reduced the number of blind spots where a cannon could not fire.
The fort was built by the Tokugawa shogunate to protect the Tsugaru Strait against a possible invasion by the Meiji government.
Goryōkaku is famous as the site of the last battle of the Boshin War.