Schulten, a University of Denver professor who studies American cartography, was enchanted by a series of maps made by American schoolgirls in the early 1800s. The detailed maps appealed to her ...

The maps above show the travel times in days and weeks from New York City to various locations across the United States in the years 1800, 1830, 1857 and 1930, from the 2012 article “How fast ...