Pippin Ross goes behind the scenes with extreme skiing movie maker Warren Miller, who has been filming death defying ski stunts for more than 40 years.
Historians say that a little more than a century ago, when cars first hit the roads, they caused nervous laughter and raised real concerns, much like driverless vehicles today.
The oscillating Lumberjack ride at Canada's Wonderland theme park stopped suddenly, in mid-air, on Sunday. Videos posted to social media captured the sounds of passengers crying for help.