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Lost Civilizations
Abandoned cities. Ancient cultures nearly erased by time. And colossal empires that simply vanished without a trace. How does a civilization become "lost"' What could cause once-thriving groups of people to just abandon their great cities, never to return' Can modern scientific knowledge help answer the unsolved questions surrounding these lost civilizations, or is there something more mysterious at work'
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Other episodes for this season
![Evil Places](https://image.tmdb.org/t/p/w300/7upMsBhnXC0C1OpTGYbUyqtDpeC.jpg)
![Mysterious Structures](https://image.tmdb.org/t/p/w300/5m7Vzg4xklnDEeMPWywpdc3lirf.jpg)
![Strange Creatures](https://image.tmdb.org/t/p/w300/y1Ib3gSh9CrmI9Tuy35YIoioJzI.jpg)
![Unnatural Nature](https://image.tmdb.org/t/p/w300/rMvEuk2rRlA76RYCQnSyuOFFBv0.jpg)
![Bizarre Rituals](https://image.tmdb.org/t/p/w300/kyn2oyehS4hCdmIzr5vnVDMNoY0.jpg)
![Life Beyond Death](https://image.tmdb.org/t/p/w300/nVxeb5zHu0MWSySTkUnrlFb7Vr8.jpg)
![Mysteries of the Mind](https://image.tmdb.org/t/p/w300/fn1u8xwsUi40vz6ukjQV9xRFJ54.jpg)
![Incredible Survivors](https://image.tmdb.org/t/p/w300/tRjWnkkCiAURgEMZrU365jobZ2a.jpg)
![The Oak Island Curse](https://image.tmdb.org/t/p/w300/zwFwDt6m19acCZ15NQua2Xmn6HS.jpg)
![Dark Prophecies](https://image.tmdb.org/t/p/w300/jTr6S7JWv2Ac9CCP3UMVdb9DpIS.jpg)
![Lost Civilizations](https://image.tmdb.org/t/p/w300/2uMR71iLcNRnSNOTVGxgNfsYuEl.jpg)
![Deadly Cults](https://image.tmdb.org/t/p/w300/tTZiBWMJ9VkjS15Re9AKozRm8cW.jpg)
![Extreme Weather Mysteries](https://image.tmdb.org/t/p/w300/duE4vEQIK4Sb4ktYrv7WfO7u5bz.jpg)
![Mysterious Stones](https://image.tmdb.org/t/p/w300/vmRlKVC7rMwUrE60qDmChtsfXAL.jpg)
![Vampires and Werewolves](https://image.tmdb.org/t/p/w300/2uekXPqGZCCGvZf30VquWeF7DGr.jpg)
![Amazing Animal Abilites](https://image.tmdb.org/t/p/w300/zKLe6TbZfIDSKZZ0vdJGNld01l4.jpg)