Chicago, central business section (1916)
Birds-eye view map of downtown Chicago. Via loc.gov
Read MoreBirds-eye view map of downtown Chicago. Via loc.gov
Read MoreThe Inca Empire, an awe-inspiring civilization, reached its zenith in the early 16th century, stretching across a vast expanse of
Read MoreDuring the last Ice Age the coast of North America looked significantly different from what it does today. The advance of massive ice sheets, primarily the Laurentide Ice Sheet, had a profound impact on the geography and appearance of the coastline. The Bering Land Bridge connected the eastern tip of Siberia to western Alaska.
Read MoreRed: Old West NorseOrange: Old East NorsePurple: Old GutnishYellow: Old EnglishBlue: Crimean Gothic
Read MoreOverdoses kill more Americans than car crashes or guns. Drug overdoses killed 47,000 people in the US in 2014, the
Read MoreVia esa.un.org
Read MoreVia esa.un.org
Read MoreThe map shows areas where more than 8 percent of the residents were born abroad.The interactive map was created by
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