(Data West Research Agency definition: see GIS glossary.) A map that displays the spatial distribution of an attribute that relates to a single topic, theme, or subject of discourse. Usually, a ...

Atlas Obscura on Slate is a blog about the world’s hidden wonders. Like us on Facebook and Tumblr, or follow us on Twitter. Today, in search of a way through a constantly expanding morass of ...

National Geographic has been producing thematic maps for decades, revealing not just physical features but also location-based details on cultures, history, wildlife, science, and more. Now, a ...