Explore the mythical beauty of Thien Cung Cave, often called the "Heavenly Palace Cave," one of the most visited caves in Halong Bay. Located near Dau Go Island, close to the Tuan Chau cruise port, this grotto mesmerizes visitors with its intricate stalactites and stalagmites illuminated by colourful, atmospheric lighting. Entering the cave feels like stepping into a legendary realm.

The formations inside Thien Cung Cave resemble mythical creatures, celestial scenes, and natural landscapes, sparking the imagination. While it involves some walking and steps, visiting this Halong Bay cave is a popular inclusion on many Halong Bay day trip itineraries. It offers a quick yet fascinating glimpse into the geological wonders hidden within the bay's limestone islands.