Start your day by visiting the Phu Hai Citadel, a UNESCO World Heritage Site. Explore the ancient walls, gates, and temples within the citadel complex. Afterward, take a boat tour along the Perfume River and visit the Thien Mu Pagoda, one of the oldest and most beautiful pagodas in Vietnam. In the afternoon, visit the Imperial City, the former residence of the Nguyen Dynasty emperors. Marvel at the intricate architecture and learn about the rich history of the imperial court.