Mills Building, South Carolina State HospitalMills Building, South Carolina State Hospital

Designed by Robert Mills, used from 1827 to 1937; "the oldest building in the country to be used continuously as a mental institution and one of the first mental hospitals built with public funds" Photo: JERRYE & ROY KLOTZ MD, CC BY-SA 3.0, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:SOUTH_CAROLINA_STATE_HOSPITAL_MILLS_BUILDING.jpg)