Has it always (as far as we know) been standing in its current condition? Was it known to be manmade and ancient in the Middle Ages? Was it ever "rediscovered"?
Has the area around Stonehenge always been as clear as it currently is, or was it once heavily forested?
It just seems absolutely amazing to me that this ancient wonder has been standing ostensibly untouched by all the wars and development in England over several millennia.
While you're waiting for fresh answers, you might like to know that I discussed what little we know of early opinions of Stonehenge, up to the 12th century, a year or so back with the help of u/alriclofgar:
Hi, not discouraging other responses here, but while you're waiting you may be interested in previous responses
/u/mikedash in What did the Romans think of Stonehenge?
/u/alriclofgar in Is it known what the Romans and Anglo-Saxons thought of pre-occupation British sites such as Stonehenge?
this thread contains links to a few more From Roman Britain to the Tudor period, what where documented and peoples general options of ancient land marks? E.g Stonehenge or hadrains wall?
Also: when did it fall out of active ceremonial use?