Tom Thomson, the visionary painter whose images helped define the Canadian wilderness, vanished during a solo canoe trip on Canoe Lake in Algonquin Park. When his overturned canoe surfaced without him, a frantic search began. Eight days later his body was found floating in the lake, but questions formed immediately. Thomson had a bruise on his temple and fishing line wrapped around his ankle, fueling speculation that he had been murdered or struck in a confrontation. Others insisted it was a tragic accident caused by rough water, while some believed he took his own life. His burial and exhumation added more confusion, as conflicting accounts suggest his remains may or may not have been moved. More than a century later, the artist’s death remains one of Canada’s enduring mysteries, forever entwined with the wilderness he immortalized on canvas.