Real StargatesTOP SECRET SERIES—PART 14: Mysterious Stone Circles, Nephilim Stargates Posted on March 10, 2021 by Administrator A stone circle is a monument of standing stones arranged in a circle. The size and number of the stones vary, and the shape can be an ellipse or half circle. Some are more complex, with double- and triple-ring designs, often classed separately as concentric stone circles.