Hanoi is a city that has something for everyone. There's a rich history to explore, delicious food to eat, and beautiful scenery to take in. And whether you're a first-time visitor or a seasoned traveler, you're sure to find plenty of things to do in Hanoi that will leave you astonished. Here are 10 of our favorites. Visit the Old Quarter photo: Son Vu Le Hanoi's Old Quarter is one of the most atmospheric parts…