Ba Be Lake have a water area around 500ha, spreading over 8km, as biggest natural water lake in Vietnam, situated in Cho Ra-Ba Be-Cho Don carste terrain pertaining to low-lying lands of Vietnam North raising mass. This raising mass was formed from the destruction of South East Asia continental mass at the end of Cambri era, around 200 million years ago. Due to its special geological constitution, the Lake has very original and special features compared with other world-wide carster lakes: world carster lakes are spent or only with one-season water, while Ba Be Lake has its permanent full-water.

The area of old carved stone in SAPA lies mainly in the MUONG HOA valley where there are settlements of ethnic minority people in Sapa District, Lao cai Province, 350 km in the Noth-West of Hanoi. Carved stone here has been discovered since long time ago. 

The Huong Son Comples oi natural and cultural properties is situated on a limestone mountain range, some 60 kilometres southwest of the national capital of Fanoi. This mountain range was formed more than 200 million years ago. During its orogenetic movements, many scenic valleys' stream and caves were formed, adding attraction to the limestone mountains and natural forests.

Thang Long, which is Ha Noi's centre nowadays, was chosen by Ly Thai To, the founding king of Ly Dynasty, as the capital of Dai Viet Kingdom (nowadays Vietnam) since Autumn of 1010. Thang Long means ascending dragon, symbolizing the will and thirst for independence of the Vietnamese people after more than one thousand years of Chinese domination. Since then, Thang Long was almost continuously the capital city of Dai Viet Kingdom through different reigns: Ly (1010 - 1225), Tran (1226 - 1397), Early Le (1428 - 1527), Mac (1 572 - 1592), and Le - Trinh (1592 - 1789). Since 1945, it became the capital city of the Democratic Republic of Vietnam. In the periods when it was not the capital, Thang Long still remained a central city in the vast area of Bac Thanh or North Vietnam (1789 - 183 l), Ha Noi Province (1 83 1 - 1888), or of Bac Ky (also known as Tonkin) and the French-niled Federation of Indochina (1 888 - 1945). During the Nguyen Dynasty (1802-1943, the capital was rmoved to Hue. In 1945, Ha Noi was chosen by the Government of Democratic Republic of Vietnam as the capital.

Situated among three provinces called Dong Nai, Binh Phuoc and Lam Dong, Cat Tien National Park is considered charming natural scenery. With the area of 73,878ha, Cat Tien National Park is surrounded by river system of more than 1,610 high-ranked species of plant, 115 mammal species, 89 reptile species, 168 species of fish, 348 bird species, 450 species of butterfly, and many different kinds of insects of coleopteran and lepidopteran. 

Con Moong cave locates in the South of Mo village, Thanh Yen commune, Thaih Thanh district, Thanh Hoa province, lying in the area of Cuc Phiiong National Park. Cuc Phuong National Park is not ofily the protection unit of rare and precious animals in Vietnam but also a unit for preserving the system of archaeological relics in the prehistorical period significantly not only in Vietnam but in the region as well. Among these relics the most outstanding one is the archaeological site named Con Moong cave (the Beast cave - Con Moons means the Beast in dialect).

Ho Citadel locates in adjacent to the four villages: lay Giai, Xuan Giai, Thuong Giai and Dong Mon in two districts Vinh Long and Vinh Tien, in Vinh Lac District, Thanh Hoa province. It was the capital of Vietnam from 1397 to 1407.The citadel includes 3 sections: La Thanh and bamboo hedge; water trench and citadel wall; and internal area. The internal section has palaces such as: Hoang Nguyen, Nhan Tho, Phu Cuc, Dong Cung, Dong Thai Mieu, Tay Thai Mieu, Diem Canh, ... with marble-paved roads connecticg different palaces to each other.The outside of the citadel are constructed works such as: Bao Thanh (Ly Cung) palace, altar of the sky and the earth, patterned-brick access to the sky and the earth altar, road from Thien ly (fragrant cynanthz) to Hoa Chau.