The Maen Achwyfan Cross, near Whitford village, is a freestanding stone monument, or wheel-cross, dating from the late 10th or early 11th century. While it may have been built in commemoration of a person or event, Cadw, the government arm responsible for historical monuments in Wales, states that its exact purpose is currently unknown. While there are other examples around the country, this particular monument is the tallest wheel-cross in Britain, standing at 3.4 meters, or around 11 feet high. Though it’s a Christian monument, the cross has interesting Viking…