Enjoy a lesson in Vietnamese history on this day trip from Da Nang. After getting picked up from your hotel, head to Hue, stopping at Hai Van Pass to explore some abandoned war bunkers. Upon arrival, head to the city's prime attraction, the Citadel. Wander through this vast complex containing the Imperial City, the Forbidden Purple City, and the Emperor's private residence, and learn more about Vietnam's last dynasty, the Nguyen dynasty. You will also discover other architectural masterpieces such as temples, pavilions, gardens, and the gates to the Imperial City. In the afternoon, stop for lunch to reenergize before enjoying a boat trip along the Perfume River. Stop at Thien Mu Pagoda, an active Buddhist monastery, and admire its iconic 7-story pagoda, the unofficial symbol of the city.   From the monastery, head to the serene Khai Dinh Royal Tomb, the final resting place of a Nguyen Emperor. Admire the tomb's unique architectural design and learn more about the many myths and legends that surround this controversial emperor before heading back to Da Nang.