Infamous for its overpowering smell and intense flavor, hákarl is Iceland’s most feared delicacy. Now, it’s been transformed into a sausage—and yes, it’s every bit as wild as it sounds.

They would have been very smelly! A favourite Viking delicacy was was rotten shark meat. Shark flesh was left to dry and go off for four months to create a stinky dish called hákarl. Life in ...