Travel to the breathtaking Halong Bay, a UNESCO World Heritage site known for its emerald waters and thousands of towering limestone islands topped by rainforests, for an amazing full-day excursion. The start of your journey is a breathtaking drive from Hanoi that offers views of the stunning countryside of Vietnam. After arriving, spend the day exploring and unwinding on a contemporary cruise ship or a classic junk boat. One of the trip's highlights is a visit to the captivating Sung Sot (Surprise) Cave, one of Halong Bay's biggest and most exquisite caves. In addition, you'll be able to swim in the pristine waters of the harbor or go kayaking among the islands.