Villalonso Castle is one of the best conserved castles in the province of Zamora. The castle is a typical and notable example of 15th-century architecture; its construction may be attributed to Juan de Ulloa and his wife María de Sarmiento, whose coats of arms can be seen above the entrance gate. It played an important role during the siege of the queen Isabel the Catholic on Toro during her war against Juan 'La Beltraneja' and during the comunero rebelion against Carlos V.
In 1235 there was an earlier fortification at this site belonging to the Order of Alcántara. During the wars of the Catholic Kings against the King of Portugal, Villalonso Castle, along with other castles in the area, was in the hands of Pedro de Avendaño, in the name of the Portuguese king. At that time the count of Marialba, having fled the town of Toro, sought refuge in the castle shortly before the conquest of this city by the Castilian forces. The castle also played a role, although of small importance, in the War of the Communities.
The castle consisted of two enclosures and a wide moat still visible although mostly covered up.The outside enclosure has not been preserved. The interior one has been partially preserves. It is square and has cubes in the corners and a Tower of Homage, also square, in the centre of one of the sides, topped with a beautiful running crenellation.
References:House of the Blackheads (Melngalvju nams) is a building situated in the old town of Riga. The original building was erected during the first third of the 14th century for the Brotherhood of Blackheads, a guild for unmarried German merchants in Riga. Major works were done in the years 1580 and 1886, adding most of the ornaments.
The structure was bombed to a ruin by the Germans June 28, 1941 and the remains demolished by the Soviets in 1948. The current reconstruction was erected from 1995 to 1999. Today the House of Blackheads serves as a museum and sometimes concert hall.