Slate called it "The Greatest Paper Map of the United States You'll Ever See." It starts at the base. Instead of solid colors, Imus illustrated the landform through shaded relief. The viewer ...

Using Census data, we've figured out that half of the United States population is clustered in just the 146 biggest counties out of over 3000. Here's the map, with said counties shaded in.

Tuesday’s print edition of The New York Times has the most detailed election map we’ve ever produced: ZIP-code level results for the 2012 presidential race spread across four pages, using data ...

On most Atlas maps of the United States, geographic landmarks have a standardized appearance. Mountain ranges show up as shaded topographies, lakes as blobs of blue, rivers as thin snaking squiggles.