Are there any hints as to where it might be located?
What is the structure in the pictures?
At what time of day do you think the picture was taken?
Can you think of a story that might go along with the picture?
(Spoiler...this picture was taken in the eastern hemisphere)
Don't forget to download the Daily G.L.O.W. worksheet to use in your class from my resource page. You might also find other units or activities to use for free in your classroom.
(Photo from http://adventure.howstuffworks.com/image-of-the-day-2012-01-11.htm)