Hạ Long Bay
Huế, Hội An, Mỹ Sơn (Quảng Nam Province), Hạ Long Bay (Quảng Ninh Province), Phong Nha-Kẻ Bàng National Park (Quảng Bình Province), Imperial Citadel of Thăng Long (Hanoi) and Citadel of the Hồ Dynasty (Thanh Hóa Province). Hạ Long Bay is one of New Seven Natural Wonders of the world.