This is meant to be an index to the answers. If you see a food not mentioned here, please add an answer to the question rather than just adding to the answer wiki.

Please feel free to edit and add to this wiki. Read the answer and sort out the information listed below. Add the entry as a comment to the answer, like so: Answer wiki entry, “Vietnam, Balut (cooked bird embryo, boiled in shell)”. Then add the entry to the wiki, in alphabetical order.

Country (Subregion), Food (further info on food and its preparation if needed)

• Australia, various atypical Meats (including Kangaroo, Alpaca, Wombat, Camel, Emu, Crocodile, Possom…)
• Australia, Witchetty grub (a 12 cm long grub, served raw or cooked)
• Australia, Vegemite (a paste made from brewer’s yeast, served spread on toast)
• Bangladesh, Panta Bhaat (rice soaked in water overnight)
• Bangladesh, Beef Tripe (served as a spicy fried curry)
• Bangladesh, Shutki (processed smelly dry fish, cooked into various dishes)
• Bangladesh, Shukna Daal (gram soups, usually lentils or moog, dried on stovetop after they got stale. Eaten with sliced raw onions and mustard oil.)
• Bangladesh, Kaalo Jeera Bhorta (black cumin seed paste.)
• Brazil, PET bottle contaminates (various foods are placed inside a PET bottle, then cooked over an open flame, possibly contaminating the food), abacate (avocado) with sugar, chicken hearts
• British Virgin Islands, peas soup (made with kidney beans, milk, and sugar)
• Chile, Ñachi, coagulated pig or lamb fresh blood, dressed and served in cubes with bread
• Camaroon (Northwest), Palm grubs and grasshoppers
• China, Thousand Year Egg (Egg fermented for several weeks）
• China, cow/bull genital and testicle (stew in Chao Shan beef hot pot)
• China, Virgin Boy Eggs (eggs simmered in the urine of young boys)
• Ecuador (andean region), Guinea Pig, fried or roasted.
• Egypt, AkaWei (cooked cow or buffalo tails with vegetables), Lesan (Cooked cow tongues, Makhasi (cooked calf or buffalo testicles), KawaRee (cooked cow legs).
• Ethiopia, Raw Beef (from newly slaughtered cattle or delivered fresh meat, usually eaten along with spices, and kifto is a popular variant)
• Finland, False Morel (a toxic mushroom)
• France, Mimolette (a cheese that cheese mites are encouraged to run rampant upon)
• France: Rabbit meat (considered a pet in other countries)
• Germany, Blutwurst (a cured sausage made with pig’s blood and fatty bacon)
• Germany, Hackepeter or Mett (finely minced raw meat, eaten on bread, often with raw, chopped onions)
• Germany, Saumagen (a fresh sausage made inside a pigs stomach, incredients can include: potatoes, meat, onions, and more)
• Greece, Kokoretsi, (Sheep or goat intestine stuffed with liver and spleen and roasted
• India (southern), Oorugai (concentrated mix of pickled chillies and vegetables)
• Italy (Sardinia), Casu Marzu (”rotten cheese”, cheese that maggots are encouraged to live and grow in)
• Japan, furikake (anything you sprinkle over rice to add flavor, starting with dried salted vegetables through salted salmon)
• Japan, Natto (fermented soybeans, served mixed with rice and a sauce, has an extremely sticky, stringy texture and a strong smell)
• Japan, Tuna Eyes (unknown)
• Lebenon, Raw Liver (served with pita, mint, pepper and salt in bite sized portions)
• Macau, Fish Balls (made from shaped fish paste, served cooked, sometimes with a sauce, has a gelatinous texture)
• Mexico: Maguey Worm (moth larva, served fried with guacamole), Huitlacoche (aka corn smut, a fungus that parasitizes the kernels, served in quesadillas), tacos de sesos (cow brains tacos), moronga (pig’s blood sausage), tripas de cerdo (grilled pig’s small intestine, taco filling), chapulines (crickets)
• New Zealand, Rotten sweetcorn, (Kanga Wai, a porridge made from sweetcorn kernels soaked in water for months)
• Norway, Smalahove (roasted sheep’s head)
• Philippines, Balut (also balot, cooked duck embryo, boiled in the shell)
• Russia, Kholodets (Meat Jelly)
• Scotland, Haggis (heart, lungs and liver of a sheep cooked inside its own stomach)
• Singapore (also S.E. Asia), Durian (aka the King of Fruits, an extra-ordinarily strong smelling fruit with a creamy texture, many find the smell unpleasant, banned on public transport there)
• South Africa, Biltong (dried meat, rather like jerky)
• South Africa, less typically used parts of Meat (BBQed sheeps head, chicken head and feet, tripe)
• South Korea, Sannakji (small raw octpus, seasoned with sesame oil and seads)
• UK (and others), barbecued hamburgers, (not considered proper to be barbecued in Brazil and maybe other S.A. countries)
• Vietnam, Balut (cooked duck embryo, boiled in the shell) , Dog meat , Cat meat.