Lemberk Castle is located in the village of Lvová, part of Jablonné v Podještědí, west of Liberec. It was constructed in the 1240s by Havel of Markvartice. In the second half of the 16th century it was rebuilt into a Renaissance chateau and it acquired its present appearance after the mid-17th century under the lords of Breda. The last owners were the Clam-Gallas family, who owned the castle until 1945.
Today only the cylindrical tower is still standing from the original structure. The castle is now state owned and accessible to public in the form of organized tours.
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.