What does your father look like? and your grandfather? and your great-great-grandfather? and what about his father? Jurian Möller made this 30 meter long leporello that shows the 500 million year long story of all our great-grandfathers.
The differences between the generations on each page are very difficult to see, but the long, continuous ancestral line goes back to our origins. .
Animation: https://www.youtube.com/watch?v=XkYD3wEuKbY
GIF: http://giant.gfycat.com/VictoriousConcreteBrocketdeer.gif