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There is not much information about this Russian nuclear missile site as all administrative terms in this inhabited town are controlled by the Federal Government of Russia. Two military battalions serve as nuclear missile bases, while rumors of ballistic missiles stationed here are triggered automatically in case of a missile strike.
Joseph Stalin may have executed millions, thus making him one of the most controversial figures in the Soviet Union. Apparently, he was also a bit paranoid to the point that he built an underground system so he could avoid getting blown to pieces while travelling to and from the Federal Security Service of the Russian Federation (FSB) headquarters. The impressive structure was codenamed D-6 and runs 50-200 meters deep.
Lascaux Caves, France
Lascaux is located near the village of Montignac, in the Southwest of France. It is known to preserve numerous Paleolithic cave paintings that are over 17,500 years old. The government of France has restricted entry to this site in order to keep the original artwork from getting contaminated.
Coca-Cola Recipe Vault, Atlanta
Coca-Cola has kept their recipe a secret from the world for roughly 125 years. They aren’t about to be revealing that anytime soon, as they’ve reportedly housed the original recipe in their Atlanta vault, only giving access to a few employees.
RAF Menwith Hill, Harrogate, North Yorkshire
The Menwith Hill is a royal communications site used to provide intelligence support to the United States, and to detect any missile warnings. The dome-shaped structures serve as satellites and are an essential figure for the ECHELON system, a surveillance system that detects all commercial, private, and even encrypted communication lines.