There's the mythology of the heavens being held up by the titan Atlas, who rests on top of a cow, which rests on top of a turtle... the kiddy version continues on top of another turtle, on top of...
I once had a vision -- yes, a vision, something deep came to me as I laid half-awake -- that after a few dozen turtles the actual ground was made of jackstraw[1]. It rested on a firm tangle.
I've always felt since then that the world and the universe themselves are made of contradictions. That some contradictions are fundamental, and this is why since Socrates we've always been so focused on finding contradictions. Because maybe we can find the ones we can't pick apart.