In 1936, long before the discovery of the Viking settlement at L'Anse aux Meadows, the Royal Ontario Museum made a sensational acquisition: the contents of a Viking grave that prospector Eddy Dodd said he had found on his mining claim east of Lake Nipigon. The relics remained on display for two decades, challenging understandings of when and where Europeans first reached the Americas. In 1956 the discovery was exposed as an unquestionable hoax, tarnishing...