"America's Got Talent: Extreme" went fast and furious in finding the adrenaline-fueled "AGT" spinoff's $500,000 winner and first-ever champion. It took four weeks of thrills and spills and a lot of ...

A stunt performer narrowly escaped when his motorbike fell during a performance inside a large, metal sphere and erupted in a fire. The riders are seen going at high speed in circles around each other ...