Any amateur archeologists with too much time on their hands who are finding Where On Google Earth tough, such as me, might find Escape from the Mummys Tomb on the World Museum in Liverpools website slightly closer to their level.
You get to guide a small, bug-eyed adventurer around the tomb of Beni Hasan in Egypt searching for ancient treasures (theres a rampaging mummy on the prowl, obviously, so look out) then place them in an appropriate display case in the museum.
While fully aware that this is aimed at younger visitors, Im not too proud to confess that I only got about 3% of the quiz questions correct. At the end you get to create and send your own postcard with a ranking on it, like this.