Niasvizh Catholic Corpus Christi church was built in 1587–1593 according to the design of the Italian architect Giovanni Maria Bernardoni at sponsorship of Mikołaj Krzysztof Radziwiłł. The Jesuit church in Niasvizh was the first construction in Baroque in the whole territory of Rzecz Pospolita.
The temple interior is richly decorated with paintings. The frescoes were performed in 1750-1760s with participation of the artist Ksawery Dominik Heski (restored in 1900–1902). The frescoes embrace 40 individual compositions depicting Saints, allegorical scenes and biblical stories. The fresco compositions include cartouches with the Bible stanze and references. There is K.D. Gesski’s picture 'The Lord's Supper' (1753) in the main shrine. In addition to the paintings, the church interior contains a lot of plastic images, i.e. bás-reliefs and bust gravestones of the 17th – 19th centuries, marble altars and monuments.
There is a choir with an organ above the temple entrance. An entrance into the family crypt – a burial vault of the Radziwills – is located next to the bás-relief under the altar of Christ. There are over seventy burials of the mighty dynasty in the semi-basement.References:
Ängsö Castle was first named as "Engsev" in a royal charter by king Canute I of Sweden (r. 1167-1196), in which he stated that he had inherited the property after his father Eric IX of Sweden. Until 1272, it was owned by the Riseberga Abbey, and then taken over by Gregers Birgersson.
From 1475 until 1710, it was owned by the Sparre family. The current castle was built as a fortress by riksråd Bengt Fadersson Sparre in the 1480s. In 1522, Ängsö Castle was taken after a siege by king Gustav Vasa, since its owner, Fadersson's son Knut Bengtsson, sided with Christian II of Denmark. However, in 1538 it was given by the king to Bengtsson's daughter Hillevi Knutsdotter, who was married to Arvid Trolle.
In 1710, the castle was taken over by Carl Piper and Christina Piper. Ängsö Castle was owned by the Piper family from 1710 until 1971, and is now owned by the Westmanna foundation. The castle building itself was made into a museum in 1959 and was made a listed building in 1965. It is currently opened to visitors during the summers.
The castle is a cubical building in four stores made by stone and bricks. The lower parts is preserved from the middle ages. It was redecorated and expanded in the 1630s. The 4th storey as well as the roof is from the expansion of Carl Hårleman from 1740-41. It gained its current appearance in the 1740s.