A metal monolith that mysteriously appeared on a field in south-east Turkey has now disappeared four days later, according to Turkish media reports.

The metal block was found by a farmer in Sanliurfa province with old Turkic script that reads “Look at the sky, see the moon”

Days after the discovery and swift disappearance of two shining metal monoliths spotted half a world away from each other, another towering structure has popped up – this time at the pinnacle of a trail in Southern California.

A mysterious monolith that had left onlookers baffled has disappeared from the spot where it was discovered in the Utah desert.