well I dunno about incredibly and powerful but a few are interesting. at least it isn't one of those trappy slideshow articles:
http://www.buzzfeed.com/alanwhite/1...and-written-letters-from-history?bfpi#3768ld8
http://www.buzzfeed.com/alanwhite/1...and-written-letters-from-history?bfpi#3768ld8