NOAA
Noaa: Ngdc: Images, Visualizing Data
The National Geophysical Data Center has transformed extensive ocean research into colorful video, 3D maps, charts posters and more! This site starts off with a film clip of a dive into the Marianas trench and then lead you to other...
Curated OER
1846 Globe
This online lesson plan shows students through primary sources how the borders of the U.S. changed in just a few years. They are asked to analyze maps and use map skills. All maps and worksheets are included as well as additional resources.