Photos: Mysterious monolith found in Utah desert Nov 29, 2020 Nov 29, 2020 Updated Jan 9, 2021 Utah helicopter crew discovers mysterious metal monolith deep in the desert Authorities say they don't know how or why the monolith was placed there. From Utah Department of Public Safety Aero Bureau View Comments Tags Wire Dcc Related to this collection World Mysterious silver monolith disappears from Utah desert Updated Dec 1, 2020 A mysterious silver monolith discovered in the Utah desert has disappeared less than 10 days after it was spotted by wildlife biologists. World Another mysterious monolith appears in Romania, then disappears Dec 1, 2020 A mysterious monolith similar to the one found in Utah was recently spotted in Romania. Also similar to the one in Utah, it then suddenly disappeared. World Yes, there's another monolith, and this time it's in England Updated Jan 13, 2021 In the mystery of the monoliths, another of the curious structures has been spotted, this time on the Isle of Wight, off England's south coast.