rudston monolith ▴ rudston, east riding of yorkshire, england

the gritsone structure, which is 7.6 metres (25 ft) high and 1.75 metres (5 ft 9 in) wide, is the tallest megalith in the united kingdom. the monument dates to the late neolithic or early bronze age period; the nearest source of gritstone is nearly ten miles away, meaning it may have been moved to its current location by glacier. the tip is capped in lead to ward off erosion.