According to Anthony Bourdain, these Vietnamese bahn mi sandwiches in Hoi an, Vietnam, are the best he has ever had. I couldn't agree more. Ironically, the stand was right around the corner from where we stayed. They have no idea how famous they are.
outstandingplaces: Ha Long Bay, Vietnam - Located in the Gulf of Tonkin, includes about 1600 islands, forming a spectacular seascape of limestone pillars. Most of the islands are uninhabited and unaffected by human presence. (outstandingplaces.com)