In his book, the famous British astronomer Peter Brown talks about an extraordinary science - astroarchaeology. The main part of the study is devoted to a detailed narrative about the phenomenon of the famous Stonehenge - mysterious megalithic circles and earthen structures scattered everywhere in the British Isles and in the northwestern part of France. The author will introduce you to the intricacies of astronomical calculations, as well as various theories and hypotheses that are associated with prehistoric stone monuments.