15th century A 500-year-old map used by Columbus reveals its secrets by Greg Miller Posted on October 8, 2018November 22, 2019 Read More
19th century These Ingenious Charts Brought the Cosmos to 1800s Schoolchildren by Greg Miller Posted on July 19, 2018November 25, 2019 Read More
19th century How an Obscure Religious Sect Mapped the Cosmos by Greg Miller Posted on May 8, 2018November 25, 2019 Read More
16th century Why Ancient Mapmakers Were Terrified of Blank Spaces by Greg Miller Posted on November 20, 2017November 25, 2019 Read More
Map Dragons 