Heunginjimun Gate is a major historical site in Seoul. More commonly known as Dongdaemun Gate (Great Eastern Gate), it was designated treasure no. 1 by the Korean government. During the Joseon Dynasty, Heunginjimun Gate was one of eight city gates along the historic Seoul City Wall and it served as the main gate for the eastern part of the city. Heunginjimun is known for its exquisite architecture and beauty; the gate is also a spectacular sight at night. After viewing Heunginjimun, visitors may want to explore the Dongdaemun neighborhood and do some late-night shopping.