Image Source: Vigilant Citizen.
I try to address really strange conspiracy theories, which nonetheless have some larger importance, during the month of October. Special weirdness is reserved for a Stonehenge-like monument in Georgia, USA, which bears cryptic messages in English, Spanish, Swahili, Hindi, Hebrew, Arabic, Chinese, and Russian.
Brad Meltzer's Decoded: Apocalypse in Georgia Season 1, Episode 10 (3 February 2011) © History Channel. Video Source: Youtube.
The Georgia Guidestones outside Atlanta were erected in 1980 on the orders of man working under an assumed name, R. C. Christian. There are revelations of his secret identity here and here. The Guidestones have inspired fear and vandalism, because alongside their espousal of rationalism, they also declare that the earth's human population should be cut back to 500 million people.