A Spanish chef has reportedly found the world's biggest mushroom which reportedly weighs a whopping 152 lbs sparking an investigation by Guinness World Records. The 68.8-kilogramme (152-lbs) Meripilus giganteus specimen was found in the town of Santa Lucia de Gordon in the province of Leon in the north-central Spanish region of Castile and Leon. According to local media, chef Sergio Martinez Valledor spotted the huge mushroom when he went for ...