Captain John Shoalts , 27 , discovers two uncharted waterfalls on remote Canadian river . Canadian explorer Adam Shoalts knew he was heading into uncharted territory when he set out on a solo expedition to explore northeastern Canada 's remote Again River . Royal Canadian Geographic Society claims discovery will change the map of Canada . He recounts being swept over 20-foot - high waterfall in his canoe .
Captain John Shoalts , 27 , discovers two uncharted waterfalls on remote Canadian river . Royal Canadian Geographic Society claims discovery will change the map of Canada . He recounts being swept over 20-foot - high waterfall in his canoe .