Famously being one of Vietnam’s seven UNESCO World Heritage Sites, the Imperial City of Hue has long been a must-see attraction for tourists visiting a hidden charm of Vietnam. The city is famous for the magnificent tombs of the Nguyen emperors and the ruins of the Citadel. The Imperial City of Hue, a masterpiece of architecture was actually a walled fortress and palace belonged to the ancient city of Hue which was a capital city of the Nguyen Dynasty for 140 years date back from 1805 until 1945. This peaceful town on the Perfume River offers beside palace and mausoleums a beautiful landscape for strolling around and hiking.