Scattered throughout the bay are more than 1,600 limestone towers and islands covered in tropical trees, with most of the islands being uninhabited and unaffected by humans, said the website.
The website also noted that the best way to experience this landscape is to board a junk boat and sail through the outstanding scenic beauty.
According to the website, visitors can explore various cave formations across the bay, including Thien Cung Cave and Sung Sot (Surprise) Cave.
In addition to Ha Long Bay, Angkor Wat (in Cambodia) also represents the Southeast Asia region in the list.
The other beautiful destinations included Zhangjiajie National Forest (in China), Venice (Italy), Yellowstone National Park (US), Santorini (Greece), Salar de Uyuni (Bolivia), Patagonia (Chile), Bora Bora (French Polynesia), and Banff National Park (Canada).
