Driving along the A303 on Monday under pregnant rainclouds, and passing Stonehenge.
(Coincidentally, the ancient road from Stonehenge to East Anglia is only 200 metres away from here at home, where it crosses a somewhat newer road. Newer, as in being the main Roman road between London and York, and not quite 2000 years old.)
And tomorrow, we'll be passing it again. One of these days we'll stop again and see it from close up.