The first waterfall Shoalts found -- before it was too late to go around it -- was 20-feet high . Adam Shoalts , 21st century , finds two uncharted waterfalls on remote Canadian river . the Royal Canadian Geographical Society says discovery will change the map of Ontario . Shoalts recounts being swept over 20-foot-high waterfall in his canoe .
Adam Shoalts , 21st century , finds two uncharted waterfalls on remote Canadian river . the Royal Canadian Geographical Society says discovery will change the map of Ontario . Shoalts recounts being swept over 20-foot-high waterfall in his canoe .