Here be dragons. The words supposedly contain every difference between ancient maps and our own. Where old maps were illustrated and incomplete, ours are accurate and photographed from the sky ...

There’s everything from old sea charts to tourist guides from the 1950s, and users are adding more maps all the time. You can learn all kinds of things by clicking around on this site.

A map of Chicago, Illinois, imprinted in 1913 from the United States Geographical Survey’s historical topographic map collection. Image courtesy of the USGS Map lovers, rejoice! The United ...