With more than a thousand dramatic limestone islands, Halong Bay in Vietnam is a UNESCO World Heritage Site. (Getty Images)
Tripadvisor’s annual “readers’ choice” lists offer plenty of vacation inspiration, whether you’re looking for trending destinations, cultural centers or foodie magnets. (Hanoi tops the latter list, by the way.) So it’s only fair that wildlife lovers and nature enthusiasts get their own best-of-the-best collection of natural wonders.
These readers’ choice awards are based on user reviews and comments,…


































