Do you consider yourself an adrenaline junkie? You don’t have to travel far to experience a feeling of euphoria. You can try certain sports in your own backyard. But they don’t come free of risks. The following list is based on research by SBO.net. It looked into some of the craziest, most death-defying sports in the world, from base-jumping off buildings to facing down the horns of a bull. Each has the number of deaths, locations it’s done, and important facts – as well as a risk factor.