Map
              Location Accuracy
              Country
          Description
              The Antarctica Ice Shelf A68 monolithic iceberg that appeared in late 2018. The resulting iceberg was around 175 km long and 50 km wide, 5800 sq km in area, 200 m thick and weighed an estimated one trillion tonnes.
A68 melted and broke apart on Valentines Day, 2020
Notes
              There was another one spotted not far from A68 - also somewhat rectangular, although not as perfectly rectangular as A68 proper.  
      
          Dates & Classification
              Date Spotted
              Date Vanished
              Classification
              Possibly significant monoliths, well made, but with little information or some evidence that suggests a knockoff/generally less mystery
          Multiple Monoliths
              ✔
          Physical Qualities
              Material
              Snow & Ice
          Construction
          Solid
              Number of Sides
              Four Sides (Rectangular or Square)
          Texture
          Other
              Top Geometry
              Flat
          Height
              200.00 meters