Vietnam is the perfect destination for Cruise Tours. Halong bay, one of the most famous Would Heritage Site, towering limestone pillars and tiny islets topped by forest rise from the emerald waters of the Gulf of Tonkin. and River Cruise through the Delta Mekong, touring the orchards, paddy fields and swamplands of the Mekong Delta, you could be forgiven for thinking you’ve stepped into the pages of a geography textbook.