If we accept the idea of parallel universes, it opens up infinite possibilities. Every choice everyone ever made at any give moment in history creates alternate worlds filled with all the possible scenarios of life. Somewhere, Hitler was a famous pacifist. Elsewhere, Marylin Monroe was a paraplegic hooker. The combinations are as endless as the possible arrangements of synapses in your brain. If you can imagine it, it exists.
Carina nebula NASA/ESA found at [link]