... if he will go a little way to the south and watch the gaunt shapes against the sky for a time and thus realize their utter remoteness from that stream of evanescent mortality beneath, the unknown ages that they have stood here upon the lonely waste, the dynasties, nay, the very races, that have come and conquered and gone, and the almost certainty that the broad metalled highway which passes close to them will in turn disappear and give place, while they still stand, to the turf of the great green expanse around; then the awe that surrounds Stonehenge will be felt and understood.

... I could have put it better myself.
--
simon