In 2015, one of these maps from 1668 sold for £68,500 (about $86,780) at auction. Early 20th-century tourist maps featuring national parks or famous cities and routes can sell for over a hundred ...

In the mid-19th century, they led to a violent civil war. In the mid-20th century, they led to some mildly amusing maps. America, it turns out, has a long tradition of cartographic cartoons like the ...