Ok, while you might not be able to get away with this at some schools, this is an amazing hook to let (older) kids explore the power of taking piles of data and transferring it to an infographic.
"Designs for Thinking" is the group that has developed and does training for "Thinking Maps" - 8 structured semantic maps: Circle map (context), tree map (inductive and deductive classification), bubble map (describing attributes), double bubble map (compare & contrast), flow map (sequencing), multi-flow map (cause & effect), brace map (parts of a whole), bridge map (analogies)
"hypercities is a collaborative research and educational platform for traveling back in time to explore the historical layers of city spaces in an interactive, hypermedia environment."
Examples include Cairo Egypt.