The Museum of the History and Reconstruction of Ulan-Bator (Mongolian: Улаанбаатар хотын Түүх шинэчлэн байгуулалтын музей) is a museum dedicated to the history of Ulan-Bator, the capital of Mongolia. The museum building, a landmark of early 20th century Mongolian architecture, is located in Ulan-Bator, in the Düüreg of Bayanzürkh.