Google has announced a new feature to the terrain relief maps they added last November to Google Maps. Now when you zoom in closer, the terrain shows contour lines to give you an even better feel for ...

The USGS publishes free topographic maps that show trails, rivers, and campsites in great detail for hikers, cyclists, and ...

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 ...

Science and Children is an award-winning, peer-reviewed, practitioners' journal for grade PreK–5 teachers, university faculty responsible for teacher preparation, and state and district science ...