, the capital of Vietnam, is a city of lakes, shaded streets and verdant public parks. Come to Hanoi, you will have a chance to explore the rich cultural heritage with the Old Quarter, I'm very exciting to go around Old Quater by cyclo, walking in Old Quater to buy clothers( Hang Dao Street), some gifts, prominent delicious Vietnamese cuisine as well as other interesting spots.
When you visit a centre of Hanoi, you can see the Turlte Tower
among the Sword Lake and around the Old Quarter. Besides you can go to :
The Flag Tower of Hanoi (Vietnamese: Cột cờ Hà Nội) is a tower in Hanoi, Vietnam, which is one of the symbols of the city. Its height is 33.4 m (41 m with the flag). Built in 1812, the tower, unlike many other structures in Hanoi, was not destroyed during the French administration (1896-1897), being used as a military post.
The Hoa Lo Prison (Vietnamese: Hỏa Lò), later known to American prisoners of war as the "Hanoi Hilton", was a prison used by the French colonists in Vietnam for political prisoners and later by North Vietnam for prisoners of war during the Vietnam War.
Temple of Literature
(Vietnamese: Văn Miếu), known as "pagode des Corbeaux" during the period of French colonisation, is a temple of Confucius in Vietnam. Although several Văn Miếu can be found throughout Vietnam, the most prominent and famous is that situated in the city of Hanoi, which also functioned as Vietnam's first university. It is featured on the back of the one hundred thousand Vietnamese đồng banknote.
Vietnam Museum of Ethnology is both a research centre and a public museum exhibiting the ethnic groups of Vietnam. The mission of the Museum is scientific research, collection, documentation, conservation, exhibition and preserving the cultural and historic patrimony of the nation’s different ethnic groups. The museum also serves to guide research, conservation, and technology that are specific to the work of an ethnographic museum.
The One Pillar Pagoda (Vietnamese: Chùa Một Cột, formally Diên Hựu) is a historic Buddhist temple in Hanoi, the capital of Vietnam. It is regarded alongside the Perfume Temple, as one of Vietnam's two most iconic temples.
You have reference in here http://www.indochinatravelservice.com/Travel/Vietnam/Hanoi/