Accordingly, Sapa, Hoi An and Ha Long Bay- three ideal destinations are on the list.
Besides fresh and cool air, Sapa is famous both for its fine, rugged scenery and for its rich cultural diversity, CNT reports.
Hoi An ancient town with mossy houses, wooden bridges and ancient wells is always a magic magnet for both Vietnamese and foreign tourists.
Ha Long Bay is a UNESCO World Heritage Site, and a popular travel destination in Quang Ninh province. It features thousands of limestone karstsand isles in various sizes and shapes.
Rounding on the list of top 50 include Bunaken Marine Park in Indonesia, Taj Mahal mausoleum in India, Nara Park in Japan, Luang Prabang in Laos, JeJu Islands in the Republic of Korea and Langkawi in Maylaysia.
What the stars mean:
★ Poor ★ ★ Promising ★★★ Good ★★★★ Very good ★★★★★ Exceptional