1. A map showing homicide rates around the world.
2. A map of how common blonde hair is around the world.
3. A map drawn in imperial Japan in 1853, centring on Tokyo.
4. A map of the world in 43 AD: a reprint of one drawn by Pomponius Mela, a Roman scholar credited as the father of geography.
5. A map showing how the official time and the solar time differs around the world.
6. A map showing every city in the world with more than 100,000 inhabitants.
7. Relatedly, a map showing the population density around the world.
8. Sticking with population: This is how big each country would be if it were in proportion with its population.
9. A map of the world as seen by the Ottoman Empire in 1803.
10. A map of the prevailing religions in countries around the world.
11. A map of the world from 1154.
12. A map showing where you'd end up if you dug straight down to the other side of the Earth.
13. The Mercator projection, 1569.
14. A map showing the most popular sports around the world.
15. The Ortelius World Map (1564), the first map by Abraham Ortelius, creator of the first modern atlas.
16. A map showing countries by number of internet users.
17. A map of the most popular website in each country.
18. A map showing the results of a survey asking the world who they see as the biggest threat to world peace.
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