[PBS Intro] This episode is supported by 23 and Me A long time ago a guy built a tomb out of rocks so he could live in it after he died and not be dead.
His son was like "Hey that's cool" so he built one too... Then his son was like "Me too" so he made a third and they were all buried there.
And that's how we got this.
The pyramids of Giza.
How did people who hadn't even invented the wheel build these things, and… why?
They're so big!
They're so precise!
They're so directionally oriented!
They're so mysterrrrrrious.
At first glance they really do look out-of-this world.
