Unicorn : A mythical species of horse that is extremely hard, if not impossible to catch. If you manage to capture the unicorn, you will obtain immortality. Don't cage in a unicorn when you keep it. It will run away.The Silver Unicorns Project is an across borders grassroots art series aimed at empowering & inspiring women to break boundaries by going against their fears and societal 'norms'. The Silver Unicorn Project wants to bring to light the full range of women who are pushing the limits by learning to ride motorcycles.