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Entertaining and educational top 10 lists from TopTenzNet! Brand new videos 7 days a week! Videos are published at 6pm EST every day!
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Top 10 Strange Signals Coming From Space
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Top 10 Mysterious World Landmarks
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Throughout our history, most civilizations have either met a slow demise or were wiped out by natural disasters or invasion. But there are a few societies whose disappearance has scholars truly stumped:
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Coming up:
10. The Olmec
9. The Nabateans
8. The Aksumite Empire
7.The Mycenaeans
6. The Khmer Empire
5.The Cucuteni-Trypillian Culture
4. Clovis
3.The Minoans
2.The Anasazi
1. The Indus Valley Civilization
Source/Further reading:
![](https://i.ytimg.com/vi/J7N25qyU-48/maxresdefault.jpg)