고궁, or "Gyeongbokgung," is a historic palace located in Seoul, South Korea. Built in 1395, it served as the main royal palace of the Joseon Dynasty. The palace is known for its beautiful architecture, expansive gardens, and the iconic Gwanghwamun Gate, which is the main entrance. Visitors to 고궁 can explore various buildings, including the throne hall and the king's living quarters. The palace grounds also feature a museum that showcases artifacts from the Joseon era. Today, 고궁 is a popular tourist destination, offering a glimpse into Korea's rich history and culture.