If I had one bit of advice for when you visit Stonehenge, it would be put your camera down and actually look at it, experience the moment, don't just take photographs. I came across a Zen concept that encapsulates this thought.
Ichigo Ichie ( 一期一会 ) literally means “one opportunity, one encounter”, means “Treasure every encounter, for it will never recur.”
The term is derived from Zen Buddhism and concepts of transience, and it is particularly associated with the Japanese tea ceremony.
In the context of tea ceremony, ichigo ichie reminds participants that each single tea meeting is unique that will never recur in one’s lifetime, therefore, each moment should be treated with the utmost sincerity and that that the moment should be experienced; because the feeling of looking at pictures you can have over and over again, but the feeling of being in this moment cannot ever be recaptured.
It is not just visiting Stonehenge, it can be applied to one’s daily life, “all we have is today, so let’s live it to the fullest.”
h/t http://ask.metafilter.com/242554/No-photos-please#3520723 & http://chanoya.com/blog/