Watch Elon Musk Reveal SpaceX's Most Detailed Plans To Colonize Mars

Elon Musk wants to build a metropolis on Mars starting in 2024.

Elon Musk gave a keynote address yesterday to the International Aeronautical Congress in Adelaide, Australia. During the 43 minute talk, which is embedded above, Musk laid out SpaceX's future including colonizing Mars and building one rocket to rule them all.