Drayton Hall Plantation:

9 miles NW of Charleston on Highway 61  769-2600. Built between 1738 and 1742, this home is considered one of the the finest examples of Georgian Palladian architecture in America and is the oldest preserved (rather than restored) plantation house in the country; no electricity or plumbing has ever been added, the the the guides are known for their exceptional knowledge. Open daily.  tours  9am–4:30pm (3pm Nov.–Feb, closed 2/1–7).  18+ $14, 12–17 $8, 6–10 $6.  website