A bizarre new theory suggests that a mysterious anomaly discovered in the Antarctic may hide a Nazi UFO base.

The theory comes from a team of UFO Hunters, who claim that the Nazis built secret bases in Antarctica during World War 2 that were designed to be used by UFOs.

The huge, mysterious Antarctic anomaly stretches for a distance of around 150 miles (240 km) across and reaches a maximum depth of around 850 metres (2,790 feet).

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A bizarre new theory suggests that a strange anomaly discovered in the Antarctic (pictured) may hide a Nazi UFO base. A team of UFO Hunters claim in a YouTube video posted this week that Nazis built secret UFO bases in Antarctica during World War 2

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It is found in an area of frozen wasteland in Antarctica known as Wilkes Land.

The UFO Hunters making the bold claims, dubbed 'SecureTeam10', regularly post videos on alien conspiracies.

Speaking of the Antarctic anomaly, they say: 'To this day, scientists have no idea or way to discover exactly what is buried deep under this thick ice shelf.

'This continent has been shrouded in a mystery of its own for years now.'

And on the strange Nazi UFO base theory, they claim in their video: 'There is some evidence of this coming to light in recent years, with images purporting to show various entrances built into the side of mountains, with a saucer shape and at a very high altitude.

'This begs the question: how would you enter these entrances without something that could fly and was the same shape as the hole itself?'

The conspiracy theorists also discuss the possibility that the US Navy led a mission to investigate the mysterious anomaly.

They claim that the mission was dubbed 'Operation High Jump', which some conspiracy theorists think was an attempt to find the entrance to a hidden world beneath Earth.

The strange shape beneath Antarctica was first found by Nasa satellite imagery in 2006.

The huge, mysterious anomaly stretches for a distance of around 150 miles (240 km) across and reaches a maximum depth of around 850 metres (2,790 feet). It is found in an area of frozen wasteland in Antarctica known as Wilkes Land (circled in red)

Some researchers believe the anomaly is the result of an asteroid impact twice the size of the one that wiped out the dinosaurs.

'This Wilkes Land impact is much bigger than the impact that killed the dinosaurs, and probably would have caused catastrophic damage at the time,' said Ralph von Frese, who was a professor of geological sciences at Ohio State University when he discovered the crater in 2006.

'All the environmental changes that would have resulted from the impact would have created a highly caustic environment that was really hard to endure.

'So it makes sense that a lot of life went extinct at that time.'

This representation of satellite data reveals the bizarre Antarctic anomaly (circled)

This is not the first time that a strange UFO conspiracy has arisen from Antarctica's icy depths.

Earlier this year, a strange theory claiming that there is a mysterious pyramid in the Antarctic emerged.

Conspiracy theorists posted a video on YouTube, in which they claimed that US Secretary of State, John Kerry, visited Antarctica last month to visit an 'alien base' within the pyramid.

This is not the first time that a strange UFO conspiracy has arisen from Antarctica's icy depths. Earlier this year, a strange theory claiming that there is a mysterious pyramid in the Antarctic emerged

The video suggested that the images had been taken from Google Earth, but it is unclear whether they had been edited.

The video was posted by Third Phase of the Moon, another YouTube channel that regularly posts conspiracy theories on aliens.

It showed a pyramid-like structure in the snow, with a Google Earth-type label and pin.

The label read 'Antartica Pyramid' – a misspelling of Antarctica, which suggests that the image was likely doctored.

It showed a pyramid-like structure in the snow, with a Google Maps-type label and pin. The label reads 'Antartica Pyramid' – a misspelling of Antarctica, which suggests that image might have been doctored

It is unclear what the structure could be, but it looks similar to a nunatak – a natural mountain peak that juts up above glaciers.

Nigel Watson, author of the UFO Investigations Manual, told MailOnline: 'Pictures of the pyramid structures are either photoshopped, cropped pictures to make the mountains look more like pyramids or simply pictures of natural formations called nunataks.