Some of the most popular spots to see bioluminescent plankton are Mosquito Bay in Puerto Rico, Halong Bay in Vietnam, and Koh ...

On the 5-day “Northern Lights” trip, travelers can choose between a 2-night Halong Bay cruise aboard the ship Violet or a ...

Travellers can experience North Vietnam in style with this all-inclusive five-day/four-night luxury package from Heritage ...