Simiane-la-Rotonde has remained practically unchanged for centuries. On the hilltop stands the truncated cone-shaped edifice that gave Simiane-la-Rotonde its name: the keep, or rotunda, of the old Château des Simiane-Agoult. Built in the 12th century, its massive exterior is remarkable for its hexagonal shape. The interior, an uneven dodecagon, is especially splendid. It is a vast room with a series of arches topped by finely sculpted capitals. The ceiling has a stone cupola of 12 ribbed vaults towering five metres high. It is an amazing example of Romanesque architecture, both civil and military.
The southern wing of the castle has also been restored and you can visit parts of the main building and the fortifications. The rooms on the ground floor date from the Middle Ages and recount the castle's history. The upper floor, in Renaissance style, houses the Sainte Victoire Aromatherapy Laboratory, which offers workshops in essential oils to the public.The castle is also the magical setting for exhibitions and the international festival of early music Les Riches Heures Musicales de la Rotonde in August.
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.