David Rumsey Map Collection
Historical worldwide map collection with over 150,000 maps and images online.
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Geographic Names Information System (GNIS)
The federal and national standard for geographic nomenclature.
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Historic Map Explorer
Has old maps that overlay current maps, including maps of Colorado Springs, one as early as 1882.
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Kartenmester.com
Place names east of the Oder and Neisse rivers and are based on the borders of the eastern provinces in Spring 1918. Included in this database are the following provinces: Eastprussia, including Memel, Westprussia, Brandenburg, Posen, Pomerania, and Silesia.
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Map of US
Shows county boundary changes for all states as they occurred. Brief descriptions of county formations and boundary changes. Some hi-res historic maps and links to other sites.
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Maps at NARA of Interest to Genealogists
The National Archives and Records Administration (NARA) has custody of over 5 million maps. Maps and related cartographic records are often useful for genealogical research. They can:
provide important information on place names and localities at the time the maps were created
show changing political boundaries, counties and minor civil subdivisions
sometimes include names of individual land owners or residents.
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Meyers Gazetteer (Historic Germany)
Meyers Gazetteer (Historic Germany)
Place names with links to late 1800s maps of places in Germany. Search on place name, then click on map to see environs. Zoom in and out. The historical map is the "Karte des deutschen Reiches," which corresponds with the names in the Meyers Gazetteer.
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