African-American Art Exhibit: 10:00am-4:00pm Tuesday in the basement of the Lace House, within the Governor's Mansion Complex, 800 Richland Street, Columbia. The exhibit consists of pieces originally owned by The Old Slave Mart Museum and is currently on loan from the Greater Acacia Collection, a foundation that maintains and preserves artifacts chronicling the African-American journey. The exhibit is free; enter the Lace House from Gadsden Street.