Shanhaiguan is a historic coastal town located in northeastern China, known for its strategic significance as the eastern starting point of the Great Wall of China. It features the famous Old Dragon Head, where the wall meets the sea, symbolizing the connection between land and water. The area is rich in history, having served as a military stronghold for centuries. Visitors can explore ancient fortifications, watchtowers, and the scenic landscape that surrounds this UNESCO World Heritage site. Shanhaiguan remains a popular destination for tourists interested in Chinese culture and history.