5 Unsolved Mysteries Of The Congo Jungle That Cannot Be Explained

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The Mongolian death worm

Deep in the Gobi Desert where temperatures swing from 113°F in summer to minus 40°F in winter across 500,000 square miles of southern Mongolia and northern China, nomadic herders who live in this brutal landscape speak of something that shouldn't exist called Olgoi-Khorkhoi in Mongolian translating to "Intestine Worm"—described by witnesses as resembling a cow's intestine filled with blood approximately 2 to 5 feet long, as thick as a man's arm, dark red or brownish in color with no visible eyes, no visible mouth, and no clear head or tail making it impossible to tell which end is which.