via unexplained-mysteries: The mysterious monolith found in the Utah desert has now been inexplicably removed by 'an unknown party'. Last week we reported that a helicopter pilot who had been helping wildlife resource officers count bighorn sheep in Utah had discovered a real-life version of the mysterious monolith featured in Arthur C. Clarke's science-fiction masterpiece '2001: A Space Odyssey'. Crafted from solid metal, the artefact, which was situated in a remote rocky outcropping, appeared to have been planted in the ground deliberately, perhaps as some sort of modern art piece. Since them, officials have revealed that the artefact has in fact completely disappeared after being removed from the site by 'an unknown party'. "We have received credible reports that the illegally installed structure, referred to as the 'monolith' has been removed from Bureau of Land Management public lands by an unknown party," they wrote. "The BLM did not remove the structure which is considered