If the prospect of gnawing on spindly deep-fried tarantulas tickles your taste buds, there are plenty of street vendors in Cambodia who will be more than happy to serve you. According to a recent study from the National Restaurant Association, 60 percent of Americans take pride in having tried several different ethnic cuisines, but we have to wonder how many would be eager to try boiled duck fetus in the Philippines, or take on a Sicilian spleen sandwich?