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

What's in a name change, after all? The water bordered by the Southern United States, Mexico and Cuba will be critical to ...

How do place names get made and then changed? There’s a process. But it involves people as well as bureaucracy, so it’s not ...

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 ...