Google Earth users was left stumped after uncovering what could be a UFO in the world-famous desert.

Video footage shows the strange triangular structure located in the US landmark, which does not appear consistent with its surroundings. 

Using the web-mapping tools, the clip reveals how the object measured 1,262 metres in length on each side.

The person who shared the finding also speculated that it had been there for a long time.

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