The site of the most famous siege – and one of the most controversial battles – of the American War, Khe Sanh Combat Base

Khe sanh combat base
 (admission 30,000d; 7am-4.30pm) sits silently on a barren plateau, surrounded by vegetation-covered hills that are often obscured by mist and fog. It is hard to imagine as you stand in this peaceful, verdant land that in early 1968 the bloodiest battle of the war took place here. About 500 Americans (the official figure of 205 was arrived at by statistical sleight of hand), 10,000 North Vietnamese troops and uncounted civilian bystanders died amid the din of machine guns and the fiery explosions of 1000kg bombs, white-phosphorus shells, napalm, mortars and artillery rounds of all sorts.

The site includes the recent addition of a small memorial museum. A couple of bunkers have been recreated and some photos and other memorabilia are on show. Behind the main site, the outline of the airfield remains distinct – to this day nothing will grow on it. Some of the comments in the visitors’ book, especially those written by visiting war veterans, can make for emotional reading.

A MIA team still visits the area regularly to search for the bodies of Americans who disappeared during the fierce battles in the surrounding hills. Most remains they find are Vietnamese.

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