Americans spent $1.2 trillion on travel, about $3,600 per person. But in a country so large, American travel ta ...

This story appears in the November 2013 issue of National Geographic magazine. America has had two great ages of exploration. The one that every schoolchild learns about began in 1804, when Thomas ...

This story appears in the February 2017 issue of National Geographic magazine ... was documented—in Tuscany.” For their map of the United States (above), Hargreaves and Levin chose as their ...