Son La Prison is a historical site located in Son La, Vietnam. Originally built by the French colonial government in the early 20th century, it served as a detention center for political prisoners and revolutionaries. The prison is known for its harsh conditions and the suffering endured by its inmates. Today, Son La Prison has been transformed into a museum that educates visitors about its history and the struggle for independence in Vietnam. The site features exhibits detailing the lives of prisoners and the broader context of the Vietnamese Revolution, making it an important landmark for understanding the country's past.