Gilbert H. Grosvenor, National Geographic magazine’s founding editor, is credited with saying: A map is the greatest of all epic poems. Its lines and colors show the realization of great dreams.

Trump’s territorial assertions, in line with his “America First” worldview, sparked a round of rethinking by mapmakers and teachers, snark on social media and sarcasm by at least one other world ...

These areas are known by different names throughout the world. They can look desolate, generally containing few or no trees, except in areas along rivers and streams. But they are vibrant ...