Atlanta History Center [2], This attraction features 32 acres of gardens, wildlife trails and woodland areas. The complex includes the 1840s Tullie Smith Farm, a fully restored 1928 Swan House mansion and Swan Coach House Restaurant. The Atlanta History Center's Buckhead campus expanded by 27,000 square feet including a 20,000 square-foot wing dedicated to memorializing the 1996 Centennial Olympic Games. It also has the largest private collection of Civil War memorabilia in the nation.