The Hessdalen Lights from Top 10 Creepy and Obscure Unsolved Mysteries

Ever since 1811, people have been claiming this unsolved mystery existed in Hessdalen Valley, Norway. Over 100 years later, more than 20 reports were taken each week of people seeing the Hessdalen lights. They claim to see yellowish or white lights hovering above the ground. Scientists have not been able to prove the cause of this phenomenon.