The book "Dangerous Nature" tells about unusual and formidable phenomena on Earth, such as volcanic eruptions and earthquakes, geysers and fumaroles, huge tsunami waves and floods. Separately told about the catastrophes in the life of our planet: the fall of huge meteorites, mass extinctions. The book is addressed to all readers who are interested in answers to unusual questions about the Earth, to all nature lovers, will help in preparing for classes in the subjects "Geography," "Natural History," "The World Around."