I was sure pyramids were built by aliens!

When Bradley Walsh set out to solve the mystery of who built the pyramids in Egypt he was convinced he already knew the answer...but would he change his mind?

- James rampton

THE PRESENTER, comedian and actor first became fixated on ancient Egypt after finding out as a 12-year-old that his teacher was the great-niece of Howard Carter, who discovered Tutankhamun’s tomb.

His passion only intensified when he worked as an apprentice at Rolls-Royce after leaving school.

"Via my engineering and technical drawing, I became fascinated by the pyramids and realised that no way could the ancient Egyptians ever have built them. They just couldn’t have done it," Bradley says.

"So who did build those pyramids?" the host of The Chase wondered, before visiting them for the first time in Sky History’s new documentary series, Bradley Walsh: Egypt’s Cosmic Code.

"It certainly wasn’t the ancient Egyptians 4,500 years ago."

Constructed for the Pharaoh Khufu, the Great Pyramid is an astounding edifice. The only surviving Ancient Wonder of the World, for more than four millennia it was the tallest structure on the planet.

For Bradley, the sheer precision of its exterior, which is completely symmetrical to within three-quarters of an inch, and the exceedingly advanced mathematics required to build it, at first defied belief.

He thought no human was capable of accomplishing such exceptional accuracy without state-of-the-art technology.