It’s difficult to conceptualize excessively large numbers, particularly when they pertain to human tragedies. But this highly-engaging animated data visualization by Neil Halloran makes WWII-related deaths all too comprehensible.
Aside from just telling you where you are, or letting you point our where you want to be, maps can do a fantastic job of recontextualizing everything you think you know about the world. You probably know that already, but here's a run-down of maps that do it well.
How far away is your nearest grocery store? If you live out west, probably much further than the rest of the country, as shown by this visualization of America's "food deserts," where the closest grocery is miles away.