The Mountains of Kong, right in the center of West Africa, were first drawn by English cartographer James Rennell. Or rather, first invented. You see these mountains don’t exist. It didn’t stop them appearing on maps until 1880, when someone, you know, checked. (It was French explorer Louis Gustave Binger if you care about that sort of thing.) The mountains of Kong were apparently popular, though, or cartographers were lazy, because they continued to appear on maps and atlases. Goode’s World Atlas showed them until 1995!