President Trump's territorial assertions sparked a round of rethinking by mapmakers and teachers, snark on social media and sarcasm by at least one other world leader.

Some of the private streets in Manhattan are well known, like the Washington Mews, part of New York University’s Greenwich ...

For most of us, the days of keeping a stash of folded-up maps in the car glovebox are behind us. So in a world of smartphones and GPS, why go to a store that specializes in maps? That’s the question ...