The famous prehistoric monument located in England is Stonehenge. This iconic stone circle, constructed between 3000 and 2000 BC, is situated on the Salisbury Plain in Wiltshire. Stonehenge consists of a ring of standing stones, each about 13 feet high, seven feet wide, and weighing around 25 tons. It is believed to have been used for ceremonial purposes and may have served as an astronomical observatory for monitoring solstices and equinoxes. The exact reasons for its construction remain a mystery, making it a subject of fascination and research, drawing millions of visitors each year who wish to explore its historical significance.