Russia, a sleeping beauty, has been a mystery to the whole world for centuries. Many major writers and scientists both in the country itself and abroad tried to understand the features and patterns of its historical path. The whole history of Russia is full of unsolved secrets - be it the era of Ancient Russia, the Moscow kingdom, the Russian Empire or the Soviet Union. The reader is offered original versions, research results of scientists, local historians, journalists. The authors of the presented materials prove the authenticity of the Veles Book, trace the fate of Anna Yaroslavna, Queen of France, analyze information about the missing library of Ivan the Terrible and about the elder Fyodor Kuzmich, who may have lived the first half of his life as Emperor Alexander I, talk about expeditions that went in search of mysterious lands, unique inventions and mysteries of the Soviet space program.