A cromlech is a type of megalithic monument consisting of a circle of standing stones arranged in a circular or oval shape. Cromlechs are found in various regions around the world and date back to prehistoric times. The term “cromlech” is of Welsh origin, but similar structures are known by different names in other regions, such as “stone circles” in Britain and “henges” in Northern Europe. Cromlechs were constructed using large stones, often without the use of mortar or cement, demonstrating the impressive engineering and construction skills of ancient societies. The purpose of cromlechs remains a subject of debate among archaeologists. They are believed to have had various functions, including religious or ceremonial sites, astronomical observatories, burial sites, or markers of important landscape features. Some cromlechs align with the solstices or other celestial events, suggesting a connection to ancient astronomical observations and calendar systems. One of the most famous cromlechs is Stonehenge in England, a UNESCO World Heritage Site that continues to captivate the imagination and curiosity of people worldwide. The study of cromlechs provides valuable insights into the religious, cultural, and astronomical practices of prehistoric societies and their sophisticated understanding of the natural world. Cromlechs serve as tangible links to our ancient past, reminding us of the ingenuity and spiritual significance attributed to these monumental stone structures.