The Wanggung Five-story Stone Pagoda is located on a hill about 2 kilometers south of Wanggung-myeon in Iksan, which is believed to have been the capital of the nation during the Mahan Era. The pagoda stands tall at 8.5 meters and was officially designated National Treasure No. 289. Relics from the Goryeo dynasty that were found inside the pagoda were designated National Treasure No. 123 and are currently housed in the National Museum of Korea. Of the excavated relics, the most famous; the Sarijangeomgu, a magnificent container of Buddha’s Sarira; the green glass Sarira bottle topped with a lotus-shaped stopper; and the Sungeumgeumganggyeongpan, which contains the 19 golden plates of the Diamond Sutra.