I have successfully learned all 197 countries and flags of the world. I also look at interesting maps to teach us more about different parts of the world and their culture.

Now compound these challenges by asking 30 people to sketch a map of the world from memory. What would you get? In the summer of 2012, Zak Ziebell, now a 17-year-old high school senior in San ...

It’s been two and a half years since artist and cartographer Anton Thomas started hand-drawing a 3-foot-wide world map, armed with colored pencils, a magnifying lamp and a lot of patience (2,100 ...