Just wanted to note that this is a good answer; although I have been playing for a long time I did not notice that there is a list of wonders each Civ has built on the GLOBAL POLITICS tab of the DIPLOMACY OVERVIEW screen. I don't know about a list of wonders destroyed, but of course civs build wonders so if the time is passed and it's not on the list, destroyed is really the only option.
Thanks for that answer!
LTG