Most of us have dreamed of fantasy worlds where the impossible becomes possible. Things like gravity lose their hold and allow for waterfalls to fall upwards. Islands levitate on clouds as celestial land masses invoke an exhilarating sense of freedom. Maybe is the type animals that live in these made up worlds that can make them so fantastical. Some artists have tackled the call to recreate their made up world for the real world to see in these 25 fantasy worlds that defy imagination.