The U.S.-Canada land border is the longest in the world, though none of it has a physical wall like at the U.S.-Mexico border ...

A wealthy widow built a library and opera house on the border between Quebec and Vermont, a symbol of binational friendship.

Mr. Trump has said he wants Canada and Mexico to stop the flow of migrants at the border and curtail shipments of fentanyl. But at least publicly, he has offered only vague benchmarks to gauge ...