A cruise around the UNESCO World Heritage Site of Halong Bay is one of the most popular tours for visitors to Vietnam. The Bay is famous for its dramatic karst cliffs, islands, and caves. With this tour, experience the Bay and take in the views without spending a night at sea. You'll cruise around Sung Sot Cave, explore Luon Cave by kayak or bamboo boat, and hop off to swim or hike at Titop Island.