The Château de Meung-sur-Loire, located next to the collegial church, was the country residence of the Bishops of Orléans. It was built and destroyed several times. The oldest still existing parts date from the 13th century and were built by Manassès de Seignelay (bishop from 1207 to 1221). Still standing are the main rectangular plan building, flanked by three towers, a fourth having been destroyed.
During the Hundred Years' War, the building was transformed into a fortress; it was taken from the English by Joan of Arc on 14 June 1429. At the end of the 15th century and start of the 16th century, building to the north incorporated a tower with drawbridge. The castle was abandoned from the Wars of Religion until the start of the 18th century, when Bishop Fleuriau d'Armenonville undertook the transformation of the structure into a comfortable residence.The rear façade was rebuilt in the Classical style by d'Armenonville. Beneath the castle are dungeons, a chapel and various medieval torture instruments, including one used for water torture.
In the middle of the 18th century, a wing was added to the southeast with a staircase serving the upper floors of the wing. In 1784, the chapel was built in the Neoclassical style, with sculpture by Delaistre. The two pavilions in the grounds are contemporary with this chapel.
References:Rosenborg Palace was built in the period 1606-34 as Christian IV’s summerhouse just outside the ramparts of Copenhagen. Christian IV was very fond of the palace and often stayed at the castle when he resided in Copenhagen, and it was here that he died in 1648. After his death, the palace passed to his son King Frederik III, who together with his queen, Sophie Amalie, carried out several types of modernisation.
The last king who used the place as a residence was Frederik IV, and around 1720, Rosenborg was abandoned in favor of Frederiksborg Palace.Through the 1700s, considerable art treasures were collected at Rosenborg Castle, among other things items from the estates of deceased royalty and from Christiansborg after the fire there in 1794.
Soon the idea of a museum arose, and that was realised in 1833, which is The Royal Danish Collection’s official year of establishment.