Everybody is soaking wet and screaming. Only your guide remains calm. No water park can match the thrills of riding Canada's surging, churning waters in what's known as "tidal bore rafting". In Nova ...

Six middle-aged women in bright yellow rubber suits and life jackets hurry the last 10 metres to the riverbank. Their feet are sinking ankle-deep into the rusty-brown mud, each step making a loud ...