Hilarious web series by a woman who worked as a living history character at Mount Vernon.
http://www.youtube.com/watch?v=X1IYH_MbJqA
I worked as a first-person interpreter at a science facility when I was in my 20s, and while I got some pretty dumb questions, nothing like this.
Episode 3 is particularly head-slappingly funny, but they're all pretty good.