The Jongmyo Shrine in Seoul, South Korea, is a significant cultural and historical site. Originally built in 1394 during the Joseon Dynasty, it serves as a Confucian royal ancestral shrine. The shrine is notable for housing the spirit tablets of deceased kings and queens and is the oldest preserved royal Confucian shrine. It has been recognized as a UNESCO World Heritage Site since 1995, highlighting its importance and the traditional rituals, such as the Jongmyo Jaeryeak, that continue to be performed there.