Another form is the menhir, a simple upright stone usually placed with others to form a circle, as at Stonehenge and Avebury in England, or a straight alignment, as at Carnac in France.

另一种形式是史前巨柱，这是一与其他直放一一个圆圈的直碑，如英格兰的巨阵和爱扶倍利，或排直线，如法国的卡尔纳克。