With its aqua-green water and cluster of limestone rocky outcrops rising from the water like sea dragons, Ha Long Bay resembles a scene from a fantasy story. Located about 130 km (80 miles) east of Hanoi in northern Vietnam, this otherworldly bay features more than 2,000 jungle-covered islands pitted with intriguing caves, grottoes, sinkholes and lakes. Many of the islands have been sculpted over the centuries by natural processes into fantastic formations. Don’t hesitate to be a bit adventurous and take a kayak among the hundreds of karst outcrops or cruise around the jungle-covered islands. Explore caves, lakes and grottoes in this magnificent area and you might find your own little gem here.