&quot;In old times, mapmaking was a fairly imprecise task . . .So, to fill great blank areas on the maps, mapmakers used to include textual/graphic warnings of the dangers of going into uncharted territory. Such warnings took the form of sea serpents, dragons,  mythical and, sometimes, even real creatures. The actual line &quot;Here There Be Dragons&quot; has been found only once, on the 16th-century Lenox Globe — but is too cool to give up. &quot;…