The Princely Castle at Bogolyubovo (1158-1165) contains the remains of the 12th century Royal Palace, in the form of the Cathedral of the Nativity of the Virgin and the Staircase Tower of Andrei Bogolyubskii. Bogolyubovo was once the residence of the Prince Andrei Bogolyubsky. Great Prince Andrei spent 17 years of his reign in Bogolyubovo before he was murdered there in 1174. After Prince Andrei's death, Bogolyubovo was ravaged and ransacked by Prince Gleb of Ryazan in 1177. In 1230s, the Mongols destroyed its fortifications.
The cathedral is a 17th century building on the site of the original structure. There is a tent-roofed bell-tower of the 17th century. The Church of the Intercession (1165) on the Nerl River is located at the point of the original river gate of Vladimir. It has a single dome supported on four piers with a helmet dome at the crossing and reliefs on the upper part of the exterior walls.References:
The eight towns in south-eastern Sicily, including Ragusa, were all rebuilt after 1693 on or beside towns existing at the time of the earthquake which took place in that year. They represent a considerable collective undertaking, successfully carried out at a high level of architectural and artistic achievement. Keeping within the late Baroque style of the day, they also depict distinctive innovations in town planning and urban building. Together with seven other cities in the Val di Noto, it is part of a UNESCO World Heritage Site.
In 1693 Ragusa was devastated by a huge earthquake, which killed some 5,000 inhabitants. Following this catastrophe the city was largely rebuilt, and many Baroque buildings from this time remain in the city. Most of the population moved to a new settlement in the former district of Patro, calling this new municipality 'Ragusa Superiore' (Upper Ragusa) and the ancient city 'Ragusa Inferiore' (Lower Ragusa). The two cities remained separated until 1926, when they were fused together to become a provincial capital in 1927.