Castalla Castle sits on a hill overlooking the valley and the town is around. Although its origins are Moorish, the current structure dates from medieval times. James I of Aragon took the castle from the Moors after the conquest of Biar and integrated it into the Kingdom of Valencia, under the Treaty of Almizra (1244), was in Castalla border with Castile. For this reason, started rebuilding the castle and was consecrated the first church in the place where the present chapel of the Blood.
The Torre Grossa tower was added in the 16th century in order to keep a lookout for pirate raids from the Mediterranean Sea.
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.