Conspiracy theorists have been handed an early Christmas present in the form of the mysterious appearance of metal monolith on a hillside in Romania as a similar unexplained structure vanishes ...

MORE: Monolith discovered in Utah mysteriously disappears overnight, similar structure spotted in Romania Monoliths have also been seen internationally in the United Kingdom, Romania, and other ...

Robeert Iosub/AP And then—fewer than ten days after its discovery—the monolith disappeared. The next day, a similar structure materialized near an archaeological site in Romania. Vladimir ...