State officials were flying over southeastern Utah looking for sheep as a part of a routine task. Instead they found something straight out of a sci-fi movie.

From a helicopter, officers from Utah's Department of Public Safety spotted a large metal monolith — a single block of metal or stone — last week. It was sitting in Utah's red rock country in the southeast. Officials have no idea how or when it got there — or who might have placed it.

"That's been about the strangest thing that I've come across out there in all my years of flying," helicopter pilot Bret Hutchings told KSLTV.

Hutchings said the structure appeared to be 10 to 12 feet tall, and looked like it was planted there — not dropped from the air. In any case, officials said it isn't legal.

"It is illegal to install structures or art without authorization on federally managed public lands," said the Utah Department of Public Safety in a statement. "No matter what planet you're from."

It also referenced the structure's out-of-this-world appearance on social media.

"We came across this, in the middle of nowhere, buried deep in the rock. Inquiring minds want to know, what the heck is it? Anyone?" wrote the department in an Instagram post.

As for would-be visitors, officials decided not to disclose the exact location of the monolith. It's in a remote area — and if attempt to visit it, "there is a significant possibility they may become stranded and require rescue," the department said in its statement.

Utah's Bureau of Land Management is assessing whether further investigation is necessary.

Hutchings has his own theory.

In the classic sci-fi film, 2001: A Space Odyssey, a group of prehistoric ape-men were baffled by a large black monolith that appeared in an African desert.

"I'm assuming it's some new wave artist or something," Hutchings said, according to KSLTV. "Somebody that was a big fan [of the film]."

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