"Hákarl - Iceland's most famous stomach churner. Hákarl is Greenland shark, an animal so inedible that it has to rot away underground for six months before humans can even digest it. Most foreigners find the stench (a cross between ammonia and week-old roadkill) too much to bear, but it actually tastes better than it smells... It's the aftertaste that really hurts. A shot of brennivín (schnapps) is traditionally administered as an antidote."