USGS Historical Maps

This map explorer, designed by the U.S. Geological Survey, overlays years worth of digitized historical topographic maps onto a neutral basemap of the United States. This map is very clear and user friendly ⎯ simply type in a U.S. location, and then click a place on...

Pizza Place Geography

Statistician Nathan Yau’s Flowing Data site was introduced to us via a specific project: this map of pizza place geography in the United States. The map isn’t interactive, yet it communicates data extremely clearly, thanks to the side-by-side comparison of map layers...

The OED in Two Minutes

This map, published by the Oxford English Dictionary’s website, shows how the English language has been formed from borrowed words throughout history. Despite its humble appearance, this application packs an effective punch. The time-lapse feature allows users to...