Waldwic, also known as the William M. Spencer, III, House, is a historic Carpenter Gothic plantation house and historic district located on the west side of Alabama Highway 69, south of Gallion, Alabama. Built as the main residence and headquarters of a forced-labor farm worked by enslaved people, Waldwic is included in the Plantation Houses of the Alabama Canebrake and Their Associated Outbuildings Multiple Property Submission. The main house and plantation outbuildings were added to the National Register of Historic Places on July 22, 1994.