https://www.expeditions.com/en-US/extensions/hoi-an-hue-hanoi-and-halong-bay-lan-ha-bay-post-voyage-extension
Hoi An, Hue, Hanoi and Halong Bay/Lan Ha Bay Post-Voyage Extension | Lindblad Expeditions
Take advantage of your proximity to explore two World Heritage sites
hanoi and halong bay