景福宫, or Gyeongbokgung Palace, is the largest of the five grand palaces built during the Joseon Dynasty in Seoul, South Korea. Constructed in 1395, it served as the main royal palace and is known for its beautiful architecture and historical significance. The palace features stunning gardens, traditional buildings, and the iconic Gyeonghoeru Pavilion. Visitors can witness the Changing of the Guard ceremony at the main gate, Gwanghwamun, which showcases traditional Korean military attire. The palace grounds also house the National Palace Museum of Korea and the Korean Folk Museum, offering insights into Korea's rich history and culture.