Stonehenge, a prehistoric monument on England's Salisbury Plain, is a world-famous stone circle built in stages from ~3000 BC to 2500 BC, featuring massive sarsen stones and smaller bluestones aligned with solstices, serving as a burial ground, temple, and astronomical marvel built without modern tech. It's a UNESCO World Heritage Site attracting millions, showcasing complex engineering (like mortise and tenon joints) and spiritual significance for Neolithic people who transported stones from Wales, baffling historians for centuries.
