"خانه سیاه‌ها" (House of the Blackheads) is a historic building located in Riga, the capital of Latvia. Originally constructed in the 14th century, it served as a guild hall for the Brotherhood of Blackheads, a group of unmarried merchants and shipowners. The building is known for its stunning Renaissance architecture and intricate facade, featuring ornate decorations and a striking black exterior. After suffering damage during World War II, the house was meticulously restored and reopened in 1999. Today, it stands as a symbol of Riga's rich history and cultural heritage, attracting tourists and serving as a venue for various events and exhibitions.