The National Historical Museum is the largest museum in Bulgaria, housing over 650,000 artifacts spanning Bulgarian history from prehistoric times to the present. Located in the former residence of communist leader Todor Zhivkov in the Boyana district, the museum collection includes Thracian gold treasures, medieval manuscripts, Orthodox icons, and ethnographic exhibits. Highlights include the Panagyurishte Gold Treasure (4th century BC), one of the most valuable collections of ancient gold artifacts in the world. The building itself, set in beautiful gardens, offers insight into Bulgaria communist past.