My friends and I used to do this when we were bored. Basically, show a picture and ask a question. Easy ideas for photo trivia are high magnification macros. However, don't neglect simple things like plant or animal identification, or in the case below, name the location from where a common landscape is taken. Be sure to provide hints (e.g., what lens used) for perspective.


Here's an easy one:


Where was I in Chicago when I took this picture (Canon 10D, 28mm, f9.5, 1/350s)?





[img]/resized-image.ashx/__size/1000x0/__key/CommunityServer-Discussions-Components-Files/15/5482.Chicago-skyline-5.jpg[/img]