This resource allows users to observe and manipulate a wide variety of data sets on a world map. The weather/climate tab provides visual representations of climate data, but users can make other curricular connections as well. Users can also create links on the maps to show photographs or videos of an area.
Detailed property and land-use records of 12,000 U.S. towns and cities from 1867 to 1970. The maps can be manipulated, expanded, printed, and downloaded. (Full-text).
