A UNESCO World Heritage Site, Changdeokgung Palace is a prime example of pungsu, a style derived from the principles of Confucianism that harmoniously blends architecture with the surrounding landscape. Originally built in 1412 as a secondary palace to Gyeongbokgung, Changdeokgung eventually became the main seat of the Joseon Dynasty, Korea’s most celebrated empire. It was especially beloved for its huwon, a landscaped garden of pavilions, ponds, and pagodas. Today, the only way to see the huwon is to take the 90-minute Secret Garden Tour. Afterward, pay the extra fee to view the remaining 60 percent of the complex.