In the summer of 1795, a teenager was exploring a tiny island in Nova Scotia's Mahone Bay when he came across a curious depression in the ground. Driven by visions of lost pirate treasure, he later returned to the spot with shovels, pickaxes, and two friends. The trio began to dig, and in so doing launched what would become one of the most famous treasure hunts of all time. For over 200 years, the baffling mysteries of the Oak Island treasure have captured countless imaginations they have also been the cause of bitter rivalries, dashed hopes, and tragic deaths.