What if our planet is actually just a giant space ship, designed and built by our ancestors so they could travel through the, No wait, What if our Solar System is actually just a giant Space Ship, designed and built by aliens so they could travel through the, Actually the truth is far stranger. Your universe was designed and built by a flock of flightless birds so that they could travel through the multiverse in search of a plane of existence where flightless birds can fly.