Piligrim XXI – one of the first IT startups working on the international market of augmented reality for the travel industry. We develop a global grid of Outdoor AR parks offering tourists an amazing experience, combining their real trip with the time travel. The service is aimed at the mass market and adapts to any modification of low cost augmented reality headsets. Therefore, using a mid-range smartphone anyone can travel to the past and see, in real time and with their own eyes, missing architectural masterpieces and the most emblematic historical events.