Source: http://news-beta.nationalgeographic.com/...

But the scope of National Geographic's cartographic department, which celebrates its hundredth anniversary this year, encompasses not just those bearings, but also those of every mountain, river, lake, road, reef, fjord, island, inlet, glacier, ocean, planet, galaxy, and solar system—in short, any physical feature on land, on sea, or in space.

At this writing (the count is obsolete as soon as it is tallied), National Geographic cartographers have produced 438 supplement maps, ten world atlases, dozens of globes, about 3,000 maps for the magazine, and many maps in digital form.