The great cities of the past defined the eras in which they were built and shaped the minds of countless generations. These places embodied the knowledge and beliefs of entire societies within their walls and yet, due to the vagaries of history, these worlds are lost to us, buried beneath the ruins of time and memory. Now, travel back 700 years to rediscover the sophisticated culture Braveheart died to protect. Thanks to scientific technology the mythical, beautiful Lost City of Atlantis rises again and the Knights Templar's City of Tortosa is rebuilt and their mysterious initiation rites investigated. Following a team of historical detectives, HISTORY recreates these vanished places in stunning detail, piecing together ancient clues using evidence from recent excavations, scientific studies and historical documents to reconstruct these long-dormant locales. As the clues are gathered, the award-winning graphics team rebuilds each city wall-by-wall. The result is an incredible collection of historically accurate and beautiful visions of cities once long lost.