From the bustling city life of Ho Chi Minh City to the stunning landscapes of Ha Long Bay, Vietnam is a country with something for everyone. If you're planning a trip to this Southeast Asian gem, here are 18 things to do in Vietnam you won't want to miss. 1. Eat Pho for breakfast. Pho is a delicious Vietnamese noodle soup that's traditionally eaten for breakfast. Head to a local restaurant and enjoy a steaming…