Near Gyochon Village in Gyeongju, Sungmundae is a free museum that presents the four seasons of Cheomseongdae and Wolseong through media art. Its main exhibition uses immersive screens to show excavated objects from around the Wolseong moat and views of old Gyeongju. The museum has a parking lot and indoor exhibitions that can be viewed on rainy days, making it suitable for visits with children. The viewing area has three sections: one large room, one small room, and a connecting passage.