Old Dragon Head (老龙头) (Take bus 25 from the south gate or train station, taxi around Y10). At Qinhuangdao, the Great Wall juts out into the sea. The original wall is long gone, but an extensive rebuilt section has been put up. Bus 25 will take you there for ¥1-3. To get onto the wall and into an area with several rebuilt halls, you need to buy a ticket for ¥60.