Located on an altitude of 1,000m-1,600m, belonging to 4 districts of Quan Ba, Yen Minh, Meo Vac, Dong Van (Ha Giang Province), the 2,356km² - Dong Van Karst Plateau is one of Viet Nam's special limestone areas, housing prominent imprints that depict the development of the earth’s crust. Up to 80% of the karst formations of Dong Van Plateau are limestone formed by environment conditions and different development stages of nature.

Located in the centre of Hue, along the Perfume (Huong) River’s northern bank, the complex of royal architecture represents and demonstrates the power of the Nguyen Dynasty's centralism. Contained in this complex are Kinh Thanh Hue (the Hue Capital Citadel), Hoang Thanh (the Royal Citadel or Imperial City) and Tu Cam Thanh (the Forbidden Citadel) clustered together, symmetrically placed along the longitudinal axis and facing to the south

Researchers said most of the buildings in Hoi An underwent restoration at the beginning of the 19th century, even if they might be constructed long time ago. The ancient architecture shown most clearly in the Ancient Town that located in Minh An Ward. It covers about 2 square kilometres and almost of all famous relics in Hoi An are gathered here. The streets are very short and narrow, having a winding, crossing as the chessboard style

The Hue Court Music has large scale and highly professional: As the official music of the state, it consists of many large scale orchestras, many music and dance items were performed by a big staff of instrumentalists, singers and dancers. Moreover, this is the music genre that has high degree of improvisation and variation of the melodious scheme.

The gongs are made of brass alloy or a mixture of brass and gold, silver, bronze. Their diameter is from 20cm to 60cm or from 90cm to 120cm. A set of gongs consists of 2 to 12 or 13 units and even to 18 or 20 units in some places.

Ca Tru is unique with its private art performing space, musical instruments and distinct style of poetry. According to folk artists, Ca Tru has 56 different musical forms or melodies, each of which is called the cach

Cham towers and temples are built of bricks associated with sandstone decorations. It is quite noteworthy that no adhesive can be seen in between the bricks, which is amazing since some of the works have survived thousands of years.

Quan ho folk songs are always performed voluntarily in groups of male (bon nam) or female (bon nu). Each group usually has four to six people who are named by order such as “Second Sister”, “Third Sister”, “Fourth Sister”, or “Second Brother”, “Third Brother”, “Fourth Brother” and so on

In 1009, Ly Cong Uan was enthroned, founded Ly Dynasty. In July, 1010, the king promulgated Chieu Doi Do (the royal decree) to change the capital city from Hoa Lu (Ninh Binh) to Dai La Citadel. After transferring the capital city, Ly Cong Uan had Citadel of Thang Long built and the citadel construction was finished in early 1011

The citadel of the Ho Dynasty is considered as the only stone citadel remaining in Southeast Asia and is one of the few remains in the world.