Promotes the understanding, identification and treatment of Hansen's Disease (leprosy). The National Hansen's Disease Museum is located on the grounds of what was the only national leprosarium. It stands as a monument to those who battled Hansen's Disease - researchers and health care professionals, as well as those who suffered from the affliction also known as leprosy. The museum's mission is to collect, preserve and interpret the medical and cultural artifacts of the Carville Historic District. Free to the public. It is advisable to call to verify museum accessibility due to changing levels of national security observed by the Louisiana Army National Guard gatehouse.