Atlantis, the Holy Grail, the slopes of Nazca, the red diary of Marilyn Monroe, the golem of Prague, Philadelphia Experiment, Loch Ness, the Bermuda Triangle, the pyramids of Giza, the myth of the vampire: ten mysteries that from time immemorial they have ignited the curiosity, imagination and skepticism of the public and scholars. Ten mysteries around which truths and legends, myths and scientific analyzes have intertwined and on which "heretical" scholars and official science still clash today. In these pages the reader will find a complete and rigorous analysis, proofs and testimonies, interdisciplinary researches and explanations which, without rejecting science, try to go beyond the boundaries of the mystery, which is none other than the limit of our current knowledge.