Atlases & Gazetteers
Census Data Mapper
Enter a zip code or place name and browse the corresponding 2010 Census data. Features maps with zoom and features database. Easiest access to census data.
Getty Thesaurus of Geographic Names
Records for approximately 900,000 places provide vernacular, English, and historical names, as well as additional information about the places.
National Atlas of the United States
A "Best of the Web" winner! This USGS site provides an extraordinary interactive map of the U.S. Select from a variety of descriptive layers, including Biology, Geology, Transportation and Water. "This Atlas updates a large bound collection of paper maps that was published in 1970. Like its predecessor, this edition promotes greater national geographic awareness. It delivers easy to use, map-like views of America's natural and sociocultural landscapes."
USGS Mapping: Geographic Name Information System
"The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), contains information about almost 2 million physical and cultural geographic features in the United States."