Autumn has painted Seoul gold, and we're heading into Changdeokgung-Joseon's most poetic palace-just in time for peak foliage. We'll walk the Secret Garden't storybook paths, trace court rituals rhrough Injeongdeon, and prime your imagination with film-and-drama scenes shot on-site. Then we'll slip out to Seosulla-gil for cozy cafes and snack stops that keep the palace mood going long after the gates close.