Explore Hanoi
Ho Guom - also called Returning Sword Lake. It's well-known for a fork of God of Gold Turtle who gave the king a magic sword to fight with the outside invaders
Thang Long imperial citadel - the old red brick citadel of Hanoi to protect the people and the kingdom inside.
Temple of Literature - the first university of Vietnam. In the past, this was the school for royal descedants.