President Donald Trump is renaming the Gulf of Mexico the Gulf of America. But how will that change go into effect – and will ...

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 ...

Mapmakers and teachers are re-thinking what to call the gulf of water between Mexico, the United States and Cuba ...

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 ...