Halong Bay, a UNESCO World Heritage Site, is a must-see attraction in Vietnam. Take a day trip and cruise from Hanoi to experience the beauty of the region. After pickup from your hotel in the Old Quarter, travel to Halong City to board a traditional wooden junk. Enjoy a seafood lunch while cruising around the bay past numerous limestone islets. Explore Thien Cung (Heaven Palace) Cave before returning to Hanoi.