Many Canadians go to great lengths to seek them out, traipsing through the forest with pocket knives at the ready as soon as the snow begins to melt. Yet, fiddleheads have their fair share of detractors. Canada's spring delicacy joins Finnish blood dumplings, an Italian cartilage-and-tendon salad and a halved Icelandic sheep's head on TasteAtlas's 100 Worst Rated Foods in the World list. Read More