The first, you can see overview Phong Nha - Kẻ Bang at the pictuere at bellow: Vietnam's Phong Nha-Ke Bang National Park is home to the world's largest cave -- a place few people have visited. Click through

Ha Long Bay cruises are available at almost every hotel and travel agency in Vietnam. Halong Bay is an impressive geographical formation in northern Vietnam. It has over 1,900 islets with pristine beaches,