The Lost Atlantis The Lost Atlantis is one of the oldest and most disturbing minds of mysteries. Since ancient times people tried to find Atlantis, which is sunk by an earthquake or a tsunami. The Greek philosopher Plato described Atlantis as a large island located in the vicinity of Gibraltar, the abode of the most advanced civilization and the object of unsurpassed elegance with a glorious palace. In addition to other features of the Atlantis was inhabited by the beautiful creatures. It was the temple of Poseidon, concentric walls and canals.