Some wonderful people have made an interactive puzzle that wonderfully demonstrates how the Mercator Projection distorts size towards either pole. You start with 15 red countries scattered across a Mercator Projection of the world. A detail of the in...
MapFight is a fun little online app ~ anonymous ~ that let's users compare the sizes of different countries and U.S. states. It's very useful in giving a sense of the sheer size of foreign places when users lack experience with them. For example, Mai...
McGill University has a nice portal for their collection of Canadian county attlases, In Search of Your Canadian Past: The Canadian County Digital Atlas Project. A useful feature here is the ability to search the database for property owner...
