The waves are monsters. But every winter, when breakers the size of office buildings topple onto the North Shore of Oahu, the world's top-ranked extreme surfers risk injury and worse to win ... Read allThe waves are monsters. But every winter, when breakers the size of office buildings topple onto the North Shore of Oahu, the world's top-ranked extreme surfers risk injury and worse to win surfing's fabled Triple Crown.The waves are monsters. But every winter, when breakers the size of office buildings topple onto the North Shore of Oahu, the world's top-ranked extreme surfers risk injury and worse to win surfing's fabled Triple Crown.