At Dongdaemun History & Culture Park, traditional buildings and cutting-edge modern cultural facilities come together harmoniously. Seoul Fortress, Yigansumun Water Gate, Dongdaemun History Museum 1398, Dongdaemun Excavation Site Exhibition Hall, Dongdaemun Stadium Memorial, an event hall, and design gallery can all be found within the park.

During the construction work of the park, remains and relics were unearthed, including Yigansumun Water Gate and Chiseong (the first defense facility found) of Seoul Fortress, 44 buildings sites from as early as the Joseon Dynasty including Hadogamteo Site (military training ground), and 1,000 relics including Joseon Baekja (white porcelain of the Joseon Dynasty) and Buncheong Sagi (grayish blue powdered ceramics) from the early Joseon dynasty through the Japanese colonial period.

Dongdaemun History & Culture Park has a role almost akin to that of a historical culture theme park where one can see the living history of Seoul through exhibitions and events showcasing contemporary design and culture. It also serves as a resting area for the people.