With pillars of limestone towering over the water and small islets with forests as toppings, Halong Bay is indeed heaven on Earth. Quite recently, authorities designated this place as a World Heritage Site. The islands scattered over the sea, dotted with grottoes eroded by the sea waves and the wind, sea kayaking Vietnam Halong Bay is one of the most desired activities among tourists. The location oozes ethereal beauty, and so, it assumes the role of one of the leading tourism destinations in all of Vietnam.