The Known Universe by AMNH - it's basically the Total Perspective Vortex.
Warning, I just watched this, and it IS amazing, but now I'm wondering what the bloody point of it all is.
Imagine a ball of iron, the size of the sun. And once a year a tiny sparrow brushes its surface with the tip of its wing. And when that ball of iron, the size of the sun, is worn away to nothing, your punishment will barely have begun.