Accordingly, with just only GBP595 (around US$902.75) for 15-day trip, visitors will have chance to cruise the emerald waters of Ha Long Bay, snorkel off picture-perfect beaches, and immerse themselves in the history and culture of Hoi An with a bunch of other adventurous travellers. 

In addition, foreign visitors can float on the Mekong Delta on a private boat, then dock at a water-side village to meet a local family, feast on home-cooked Vietnamese food, bed down in their home, and ready to continue their adventure in Ho Chi Minh City the following day,Wanderlust suggested.

Rounding on the list of top 8 are Mexico, China, South America, Myanmar, Morocco, Cuba, and East Africa.