Going for a hike this fall? The U.S. Geological Survey has free maps that might come in handy. The public topoBuilder app is now offering custom maps made free with their 25K Recreational Topo layer.

Remember back in the ’90s, when having a .gif on your Web page showed your mastery of the Internet? Read on for some more background on the map and a zoomed in view. Fair warning: Serious nerd eye ...

Google Maps has exciting details about locations around the world. One of the most valuable things to learn about an area is its elevation. You might not know where to find elevation measurements on ...