The Seoul Fortress Wall is a historic structure that encircles the city of Seoul, South Korea. Built during the late 14th century, it was designed to protect the city from invasions and to symbolize the power of the Joseon Dynasty. The wall stretches approximately 18.6 kilometers and features various gates, watchtowers, and scenic viewpoints. Today, the Seoul Fortress Wall is a popular tourist attraction and a UNESCO World Heritage Site. Visitors can walk along sections of the wall, enjoying panoramic views of the city and learning about its rich history. The wall serves as a reminder of Seoul's past and its cultural significance.