1895 U.S. Atlas
Detailed and fascinating maps from a turn-of-the-century atlas.

Atlas of the World
A contemporary online atlas of the world, features online maps and geographical information for every country.

Historic USGS Maps of New England
Early 20th century topographic maps of six states of New England.

Historical Atlas of the 20th Century
Matthew White's fantastic atlas covering a plethora of aspects of the century; includes maps of politics, war, population, and more.

Perry-Castañeda Library Map Collection
Maps for countries around the world; many of the large, detailed maps on this site are as old as the 1970s.

U.S. Territorial Map 1900
The United States as it appeared in 1900. Also see this 1920 map.

World War II Maps
Black and white historic maps of European and Pacific theaters of war from 1924 to 1944.