Travel to Mars? To Mars or Bust! leads you through the planning, preparation, and the establishment of a colony on Mars. Revealed is the human side of this proposed venture. Bared are the needs, challenges, and pitfalls of this grand attempt to start a new civilization. The trek to Mars is compared to the pioneering of old, with covered wagons confronting the Oregon Trail. Plans by visionary entrepreneurs and by NASA paint differing pictures of the future mission. A glimpse into the future reveals how a Martian colony could function economically, be autonomous, and be self-governing. The reader is then asked to imagine being on a Starship and launching on the first day of that historic journey. Stepping on Mars is followed by surviving, then growing. Also, how scientists believe these new Martians may evolve is disclosed.