The most expensive stamp in the world is the 1856 British Guiana One-Cent Magenta. It is also considered the rarest. It sold at auction in 2014 for $9.5 million. What ...

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Lake Baikal sits in southern Siberia and has the claim to fame of being not only the deepest lake in the world but also being the oldest lake and the ...

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In 1958, two men piloted a modified Cessna 172 for an amazing 64 days, 22 hours, and 18 minutes over the desert in the Southwestern United States. Their world endurance ...

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