A Secret Masonic Code in Washington, DC? | What On Earth?

First seen from space by Gemini Astronauts in 1965, the Eye of the Sahara is a beautiful circular structure 25 miles across, but exactly how it formed remains a mystery. Meanwhile are the most extraordinary clouds emanating from an island in the Indian Ocean evidence of a terrifying new weather...

43 min - Archaeology & Mysteries - Science Channel

More: Conspiracy Theories documentaries

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