Stonehenge is so popular now, that it is impossible to be alone with the stones and you cannot get anywhere near them. For me, to appreciate places like this, you need to be on your own.
Fortunately, there are many other ancient sites that are not inundated with tourists, because they are less well known and not all are easily accessible.
I visited Tintagel back in 1994, but unluckily for me the path was closed due to damage caused by a heavy storm. Must go back sometime.
Thal